Question

LESSON INTRODUCTION TO NUMBER SYSTEM IF x=3+2,find the value of x²+1/x²​

Answer 1

Answer:

$5 {}^{2} + \frac{1}{ {5}^{2} } \\ = 25 + \frac{1}{25 } \\ = \frac{625 + 1}{25} \\ = \frac{626}{25}$