x এর মান কত হলে a(x - a) = b(x - b) হবে? 

A a

B b - a

C a - b

D a + b

Solution

Correct Answer: Option D

দেওয়া আছে,
a(x - a) = b(x - b)

বা, ax - a² = bx - b²

বা, ax - bx = a² - b²

বা, x(a - b) = (a + b)(a - b)
 
বা, x = a + b

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