Practicing Success

Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Algebra

Question:

If $a^ 2 + b^ 2 + 1 = 2a$, then the value of $a^4+b^7$ is:

Options:

1

0

2

4

Correct Answer:

1

Explanation:

If $a^ 2 + b^ 2 + 1 = 2a$

 $a^4+b^7$ = ?

Put the value of a = 1 and b = 0 

These values will satisfy the equation.

$a^4+b^7$  = $1^4+0^7$  = 1