Practicing Success
Practicing Success
CUET Preparation Today
If (a + \(\frac{1}{a}\))2 = 3, then find a18 + a12 + a6 + 1. |
0 1 2 3 |
0 |
If a + \(\frac{1}{a}\) = \(\sqrt {3}\) then, a6 = -1 always Now; ⇒ a18 + a12 + a6 + 1 = (a6)3 + (a6)2 + a6 + 1 = - 1 + 1 - 1 + 1 = 0 |
