x+1/x = 2 হলে, (x-1/x)2 এর মান কত?
A 0
B 1
C 2
D 4
Correct Answer: Option A
(x-1/x)2= (x + 1/x)² - 4 . x . 1/x= 2² - 4= 0
Download our app for free and access thousands of MCQ questions with detailed solutions