2
17. In the triangle ABC with vertices A (2, 3), B (4, –1) and C (1, 2), find the equation and length of altitude from the vertex A.
30
Oct
17. In the triangle ABC with vertices A (2, 3), B (4, –1) and C (1, 2), find the equation and length of altitude from the vertex A. –1) and C (1 17. In the triangle ABC with vertices A (2 2 3% b = 4 find the equation and length of altitude from the [...]
13. Find the equation of the right bisector of the line segment joining the points (3, 4) and (–1, 2).
30
Oct
13. Find the equation of the right bisector of the line segment joining the points (3, 4) and (–1, 2). 13. Find the equation of the right bisector of the line segment joining the points (3 2 4) and (–1 October 30, 2021 Category: Chapter 10 - Straight Lines , Maths , NCERT Exemplar Class [...]
20. By using the concept of equation of a line, prove that the three points (3, 0), (– 2, – 2) and (8, 2) are collinear.
30
Oct
20. By using the concept of equation of a line, prove that the three points (3, 0), (– 2, – 2) and (8, 2) are collinear. – 2) and (8 0 ) 2 2) are collinear. 20. By using the concept of equation of a line prove that the three points (3 October 30, 2021 [...]
10. Find the angle between the x-axis and the line joining the points (3,–1) and (4,–2).
27
Oct
10. Find the angle between the x-axis and the line joining the points (3,–1) and (4,–2). –1) and (– 4 10. Find the angle between the x-axis and the line joining the points (3 2 October 27, 2021 Category: Chapter 10 - Straight Lines , Maths , NCERT Exemplar Class 11 ,
8. Find the value of x for which the points (x, – 1), (2,1) and (4, 5) are collinear
27
Oct
8. Find the value of x for which the points (x, – 1), (2,1) and (4, 5) are collinear –1) and (– 4 1 2 5) are collinear 8. Find the value of x for which the points (x October 27, 2021 Category: Chapter 10 - Straight Lines , Maths , NCERT Exemplar Class 11 [...]
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, [...]
14. The Fibonacci sequence is defined by 1 = a1 = a2 and an = an – 1 + an – 2, n > 2. Find an+1/an , for n = 1, 2, 3, 4, 5
24
Oct
14. The Fibonacci sequence is defined by 1 = a1 = a2 and an = an – 1 + an – 2, n > 2. Find an+1/an , for n = 1, 2, 3, 4, 5 14. The Fibonacci sequence is defined by 1 = a1 = a2 and an = an – 1 + [...]
Example 1 Find the slope of the lines: (a) Passing through the points (3, – 2) and (–1, 4), (b) Passing through the points (3, – 2) and (7, – 2), (c) Passing through the points (3, – 2) and (3, 4), (d) Making inclination of 60° with the positive direction of x-axis
27
Oct
Example 1 Find the slope of the lines: (a) Passing through the points (3, – 2) and (–1, 4), (b) Passing through the points (3, – 2) and (7, – 2), (c) Passing through the points (3, – 2) and (3, 4), (d) Making inclination of 60° with the positive direction of x-axis -2) and [...]
Example10 Which term of the G.P., 2,8,32, … up to n terms is 131072?
24
Oct
Example10 Which term of the G.P., 2,8,32, … up to n terms is 131072? ... up to n terms is 131072? 2 3^2 8 Example10 Which term of the G.P. October 24, 2021 Category: Chapter 9 - Sequences and Series , Maths , NCERT Exemplar Class 11 ,
2. How many 3-digit even numbers can be formed from the digits 1, 2, 3, 4, 5, 6 if the digits can be repeated?
24
Oct
2. How many 3-digit even numbers can be formed from the digits 1, 2, 3, 4, 5, 6 if the digits can be repeated? 2 2. How many 3-digit even numbers can be formed from the digits 1 3% 4 5 6 if the digits can be repeated? October 24, 2021 Category: Chapter 7 - [...]