Maths
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 [...]
Example 9 Write the equation of the lines for which tan θ = 2/1, where θ is the inclination of the line and (i) y-intercept is -3/2 (ii) x-intercept is 4.
27
Oct
Example 9 Write the equation of the lines for which tan θ = 2/1, where θ is the inclination of the line and (i) y-intercept is -3/2 (ii) x-intercept is 4. Example 9 Write the equation of the lines for which tan θ = 2/1 where θ is the inclination of the line and (i) [...]
Example 8 Write the equation of the line through the points (1, –1) and (3, 5).
27
Oct
Example 8 Write the equation of the line through the points (1, –1) and (3, 5). 1) and ( 3 5 Example 8 Write the equation of the line through the points (1 October 27, 2021 Category: Chapter 10 - Straight Lines , Maths , NCERT Exemplar Class 11 ,
Example 7 Find the equation of the line through (– 2, 3) with slope – 4.
27
Oct
Example 7 Find the equation of the line through (– 2, 3) with slope – 4. 3) with slope – 4. Example 7 Find the equation of the line through (– 2 October 27, 2021 Category: Chapter 10 - Straight Lines , Maths , NCERT Exemplar Class 11 ,
Example 6 Find the equations of the lines parallel to axes and passing through (– 2, 3).
27
Oct
Example 6 Find the equations of the lines parallel to axes and passing through (– 2, 3). 3% Example 6 Find the equations of the lines parallel to axes and passing through (– 2 October 27, 2021 Category: Chapter 10 - Straight Lines , Maths , NCERT Exemplar Class 11 ,
Example 5 In Fig 10.9, time and distance graph of a linear motion is given. Two positions of time and distance are recorded as, when T = 0, D = 2 and when T = 3, D = 8. Using the concept of slope, find law of motion, i.e., how distance depends upon time.
27
Oct
Example 5 In Fig 10.9, time and distance graph of a linear motion is given. Two positions of time and distance are recorded as, when T = 0, D = 2 and when T = 3, D = 8. Using the concept of slope, find law of motion, i.e., how distance depends upon time. D [...]
Example 4 Three points P (h, k), Q (x1 , y1 ) and R (x2 , y2 ) lie on a line. Show that (h – x1 ) (y2 – y1 ) = (k – y1 ) (x2 – x1 ).
27
Oct
Example 4 Three points P (h, k), Q (x1 , y1 ) and R (x2 , y2 ) lie on a line. Show that (h – x1 ) (y2 – y1 ) = (k – y1 ) (x2 – x1 ). Example 4 Three points P (h K Q (x1 y1 ) and R (x2 [...]
Find the sum to n terms of the series nth terms is given by 8. n (n+1) (n+4).
27
Oct
Find the sum to n terms of the series nth terms is given by 8. n (n+1) (n+4). Find the sum to n terms of the series nth terms is given by 8. n (n+1) (n+4). October 27, 2021 Category: Chapter 9 - Sequences and Series , Maths , NCERT Exemplar Class 11 ,