Practicing Success

Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Algebra

Question:

If $x+\frac{1}{x}= 2$, then the value of $x^{57}+\frac{1}{x^{57}}$

Options:

1

-2

0

2

Correct Answer:

2

Explanation:

If $x+\frac{1}{x}= 2$

Then put x = 1

$x^{57}+\frac{1}{x^{57}}$ = $1^{57}+\frac{1}{1^{57}}$ = 2