CUET Preparation Today
If (x − 5) = −1, then the value of $x^ 3(x^ 3 − 110)$ =? |
0 -1 1 2 |
-1 |
If x + \(\frac{1}{x}\) = n then, $x^3 +\frac{1}{x^3}$ = n3 - 3 × n If x(x − 5) = −1 Then, x - 5 = \(\frac{-1}{x}\) x + \(\frac{1}{x}\) = 5 $x^3 +\frac{1}{x^3}$ = 53 - 3 × 5 = 110 $x^ 3(x^ 3 − 110)$ = -1 |
