x²-2x+1 = 0 হলে, (x⁴+2x²+1)/x² এর মান-

x²-2x+1 = 0 হলে, (x⁴+2x²+1)/x² এর মান-

A -4

B 0

C 4

D 8

Solution

Correct Answer: Option C

x²-2x+1 = 0

=> (x-1)^2 = 0

=> x - 1 = 0

x = 1

এখন, (x⁴+2x²+1)/x² = (x^2)^2 + 2.x^2.1 + (1)^2 /x^2

= (x^2+)^2/x^2

= {(1)^2 + 1}^2/(1)^2

= (1+1)^2/ 1

= 4