The nth term of an A.P. cannot be n² + n + 1. Justify your answer.
Solution:
Find the sum of first 20 terms of an A.P. whose nth term is 15 – 4n.
Solution:
More Solutions:
- The image of a point P under reflection in the x-axis is (5, -2).
- The point P (2, 3) is reflected in the line x = 4 to the point P.
- The point P (2, 4) on reflection in the line y = 1.
- The point P ( -4, -5) on reflection in y-axis is mapped on P.
- Find the coordinates of the image of (3, 1) under reflection.
- A Point P (a, b) is reflected in the x-axis to P’ (2, -3).