(2x^-1)² ÷ x^-5 is equal to

A 2x²

B 4x

C 4x²

D 4x³

Correct Answer: Option D

দেয়া আছে, ( 2x^-1 )² ÷ x^-5 = ( 2/x)² ÷ 1/x⁵

= ( 2²/x²)/(1/x⁵)

= 2²/x² × x⁵/1

= 4x^5-2

= 4x³ .

(2x-1)2 ÷ x-5 is equal to