Practicing Success
Practicing Success
CUET Preparation Today
If x4 + \(\frac{1}{x^4}\) = 27887, the positive value of x2 + \(\frac{1}{x^2}\) is? |
178 165 170 167 |
167 |
If x4 + \(\frac{1}{x^4}\) = a then x2 + \(\frac{1}{x^2}\) = \(\sqrt {a + 2}\) ATQ, x4 + \(\frac{1}{x^4}\) = 27887 x2 + \(\frac{1}{x^2}\) = \(\sqrt {27887 + 2}\) = 167 |
