Question Answers
Sahay Sir > Question Answers
Example 20 If the lines 2x + y – 3 = 0, 5x + xy – 3= 0 and 3x – y – 2 = 0 are concurrent, find the value of k.
27
Oct
Example 20 If the lines 2x + y – 3 = 0, 5x + xy – 3= 0 and 3x – y – 2 = 0 are concurrent, find the value of k. 5x + xy - 3= 0 and 3x - y - 2 = 0 are concurrent Example 20 If the lines 2x [...]
Example 19 Find the distance between the parallel lines 3x – 4y +7 = 0 and 3x – 4y + 5 = 0
27
Oct
Example 19 Find the distance between the parallel lines 3x – 4y +7 = 0 and 3x – 4y + 5 = 0 Example 19 Find the distance between the parallel lines 3x – 4y +7 = 0 and 3x – 4y + 5 = 0 October 27, 2021 Category: Chapter 10 - Straight Lines [...]
Example 18 Find the distance of the point (3, – 5) from the line 3x – 4y –26 = 0.
27
Oct
Example 18 Find the distance of the point (3, – 5) from the line 3x – 4y –26 = 0. – 5) from the line 3x – 4y –26 = 0. Example 18 Find the distance of the point (3 October 27, 2021 Category: Chapter 10 - Straight Lines , Maths , NCERT Exemplar Class [...]
Example 17 Find the equation of a line perpendicular to the line x – 2y + 3 = 0 and passing through the point (1, – 2).
27
Oct
Example 17 Find the equation of a line perpendicular to the line x – 2y + 3 = 0 and passing through the point (1, – 2). 2 Example 17 Find the equation of a line perpendicular to the line x - 2y + 3 = 0 and passing through the point (1 October 27, [...]
Example 16 Show that two lines a1 x + b1 y + c1 = 0 and a2 x + b2 y + c2 = 0 , where b1 , b2 ≠ 0 are:
27
Oct
Example 16 Show that two lines a1 x + b1 y + c1 = 0 and a2 x + b2 y + c2 = 0 , where b1 , b2 ≠ 0 are: b2 ≠ 0 are: Example 16 Show that two lines a1 x + b1 y + c1 = 0 and a2 x [...]
Example15 Find the angle between the lines y – sqrt 3x – 5 = 0 and sqrt 3y – x + 6 = 0 .
27
Oct
Example15 Find the angle between the lines y – sqrt 3x – 5 = 0 and sqrt 3y – x + 6 = 0 . Example15 Find the angle between the lines y - sqrt 3x - 5 = 0 and sqrt 3y - x + 6 = 0 . October 27, 2021 Category: Chapter [...]
Example 14 Reduce the equation sqrt 3x + y – 8 = 0 into normal form. Find the values of p and ω.
27
Oct
Example 14 Reduce the equation sqrt 3x + y – 8 = 0 into normal form. Find the values of p and ω. Example 14 Reduce the equation sqrt 3x + y - 8 = 0 into normal form. Find the values of p and ω. October 27, 2021 Category: Chapter 10 - Straight Lines [...]
Example 13 Equation of a line is 3x – 4y + 10 = 0. Find its (i) slope, (ii) x – and y-intercepts.
27
Oct
Example 13 Equation of a line is 3x – 4y + 10 = 0. Find its (i) slope, (ii) x – and y-intercepts. (ii) x - and y-intercepts. Example 13 Equation of a line is 3x – 4y + 10 = 0. Find its (i) slope October 27, 2021 Category: Chapter 10 - Straight Lines [...]
Example 12 The Fahrenheit temperature F and absolute temperature K satisfy a linear equation. Given that K = 273 when F = 32 and that K = 373 when F = 212. Express K in terms of F and find the value of F, when K = 0.
27
Oct
Example 12 The Fahrenheit temperature F and absolute temperature K satisfy a linear equation. Given that K = 273 when F = 32 and that K = 373 when F = 212. Express K in terms of F and find the value of F, when K = 0. 3) with slope – 4. Example 7 [...]
Example 11 Find the equation of the line whose perpendicular distance from the origin is 4 units and the angle which the normal makes with positive direction of x-axis is 15°.
27
Oct
Example 11 Find the equation of the line whose perpendicular distance from the origin is 4 units and the angle which the normal makes with positive direction of x-axis is 15°. Example 11 Find the equation of the line whose perpendicular distance from the origin is 4 units and the angle which the normal makes [...]