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Plane Mathematics – Straight Line & Conic Section

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Content

Platform: Udemy
Video: 12h 0m
Language: English
Next start: On Demand

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This course was last updated on 4/2022.

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9.6 / 10
Video Score: 9.4 / 10
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Description

Straight Lines
•Brief recall of two dimensional geometries from earlier classes
•Shifting of origin
•Slope of a line and angle between two lines
•Various forms of equations of a line −
•Parallel to axis
•Point-slope form
•Slope-intercept form
•Two-point form
•Intercept form
•Normal form
•General equation of a line
•Equation of family of lines passing through the point of intersection of two lines
•Distance of a point from a line
Conic Sections
•Sections of a cone −
•Circles
•Ellipse
•Parabola
•Hyperbola − a point, a straight line and a pair of intersecting lines as a degenerated case of a conic section.
•Standard equations and simple properties of −
•Parabola
•Ellipse
•Hyperbola
•Standard equation of a circle
SUMMARY
Straight Line
1. Slope (m) of a non-vertical line passing through the points (x1 , y1 ) and (x2 , y2 ).
2. If a line makes an angle á with the positive direction of x-axis, then the slope of the line is given by m = tan α, α ≠ 90°.
3. Slope of horizontal line is zero and slope of vertical line is undefined.
4. An acute angle (say θ) between lines L1 and L2 with slopes m1 and m2 is given by tanθ = | m2 – m1 / 1 + m1m2 | ,  1 + m1m2 ≠ 0.
5. Two lines are parallel if and only if their slopes are equal.
6. Two lines are perpendicular if and only if product of their slopes is –1.
7. Three points A, B and C are collinear, if and only if slope of AB = slope of BC.
8. Equation of the horizontal line having distance a from the x-axis is either y = a or y = – a.
9. Equation of the vertical line having distance b from the y-axis is either x = b or x = – b.
10. The point (x, y) lies on the line with slope m and through the fixed point (xo , yo ), if and only if its coordinates satisfy the equation y – yo = m (x – xo ).
11. The point (x, y) on the line with slope m and y-intercept c lies on the line if and only if y = mx + c .
12. If a line with slope m makes x-intercept d. Then equation of the line is y = m (x – d).
13. Equation of a line making intercepts a and b on the x-and y-axis, respectively, is x/a + y/b = 1.
14. The equation of the line having normal distance from origin p and angle between normal and the positive x-axis ω is given by  xcosω + ysinω = p .
15. Any equation of the form Ax + By + C = 0, with A and B are not zero, simultaneously, is called the general linear equation or general equation of a line.
Conic Section
In this Chapter the following concepts and generalisations are studied.
1. A circle is the set of all points in a plane that are equidistant from a fixed point in the plane.
2. A parabola is the set of all points in a plane that are equidistant from a fixed line and a fixed point in the plane.
3. Latus rectum of a parabola is a line segment perpendicular to the axis of the parabola, through the focus and whose end points lie on the parabola.
4. An ellipse is the set of all points in a plane, the sum of whose distances from two fixed points in the plane is a constant.
5. Latus rectum of an ellipse is a line segment perpendicular to the major axis through any of the foci and whose end points lie on the ellipse.
6. The eccentricity of an ellipse is the ratio between the distances from the centre of the ellipse to one of the foci and to one of the vertices of the ellipse.
7. A hyperbola is the set of all points in a plane, the difference of whose distances from two fixed points in the plane is a constant.
8. Latus rectum of hyperbola is a line segment perpendicular to the transverse axis through any of the foci and whose end points lie on the hyperbola.
9. The eccentricity of a hyperbola is the ratio of the distances from the centre of the hyperbola to one of the foci and to one of the vertices of the hyperbola.

You will learn

✓ Slope of a line
✓ Angle between two lines
✓ Collinearity of three points
✓ Various forms of the equation of a line
✓ General equation of a line
✓ Distance of a point from a line
✓ Locus and Equation of Locus
✓ Intersection of two given lines
✓ Sections of a Cone
✓ Circle
✓ Parabola
✓ Ellipse
✓ Hyperbola

Requirements

• Basic knowledge of mathematics of 9th and 10th std Mathematics

This course is for

• Complete Mathematics for Engineering Entrance Exam Preparation. ( IIT-JEE Main | Advanced | BITSAT | SAT | etc.)
• State Board | CBSE | ICSE | IGCSE | Course for High School & College
• Courses are suitable for students from over 160 countries from Europe, America, Middle East, Asia, Africa and APAC. Notably England, Germany, France, Sweden, Ireland, Scotland, USA, Canada, UAE, Saudi, Qatar, Kuwait, Malaysia, Indonesia, Myanmar, Newzealand, Australia, South Africa, South Korea, Nigeria, Nepal, Sri Lanka, etc

How much does the Plane Mathematics - Straight Line & Conic Section course cost? Is it worth it?

The course costs \$14.99. And currently there is a 63% discount on the original price of the course, which was \$24.99. So you save \$10 if you enroll the course now.

Does the Plane Mathematics - Straight Line & Conic Section course have a money back guarantee or refund policy?

YES, Plane Mathematics – Straight Line & Conic Section has a 30-day money back guarantee. The 30-day refund policy is designed to allow students to study without risk.

Are there any SCHOLARSHIPS for this course?

Currently we could not find a scholarship for the Plane Mathematics - Straight Line & Conic Section course, but there is a \$10 discount from the original price (\$24.99). So the current price is just \$14.99.

Who is the instructor? Is studi live a SCAM or a TRUSTED instructor?

studi live has created 115 courses that got 13 reviews which are generally positive. studi live has taught 111 students and received a 4.4 average review out of 13 reviews. Depending on the information available, studi live is a TRUSTED instructor.

studi live

Online Learning
Studi Live is an Indian educational venture based in Mumbai. The founders of this portal are into education and technology domains since more than 20 years. Studi Live currently offers online and live lectures for IITJEE and NEET preparation.
The portal will eventually add courses for school students from 5th to 12th, Olympiads, Professional Courses, Commerce and Software Programming for all levels. The Studi Live portal, as the name suggests, offers online live lectures in interactive mode. The site uses highly safe and secure WEBEX platform for online lectures.
Unlike most of the other edtech portals, Studi Live is a collaborative and activity-based platform which strives to conform to the New Education Policy by the Government of India.

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CourseMarks Score®

10.0

Freshness

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Feedback

9.6

Content

Platform: Udemy
Video: 12h 0m
Language: English
Next start: On Demand

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