If $x+\frac{1}{x}=2$, then the value of $x^ 4 + x^4$ =___________.
Answer & explanation
Correct answer: option 2
If $(x + \frac{1}{x}) = 2$
Put the value of x = 1
$x^ 4 + x^4$ = $1^ 4 + 1^4$
$x^ 4 + x^4$ = 2
If $x+\frac{1}{x}=2$, then the value of $x^ 4 + x^4$ =___________.
Correct answer: option 2
If $(x + \frac{1}{x}) = 2$
Put the value of x = 1
$x^ 4 + x^4$ = $1^ 4 + 1^4$
$x^ 4 + x^4$ = 2