

InterviewSolution
Saved Bookmarks
1. |
If p = -2, q = 1 and r = 3, find the value of 3p2q2r. |
Answer» Given p = -2; q = 1; r = 3 ∴ 3p2q2r = 3 x (-2)2 x (1)2 x (3) = 3 x (-2 x 1)2 x (3) [Since am x bm = (a x b)m] = 3 x (-2)2 x (3) = 3 x (-1)2 x 22 x 3 = 31+1 x 1 x 4 [Since am x an = am+n] = 32 x 4 = 9 x 4 ∴ 3p2q2r = 36 |
|