32x-2 - 5.3x-2 - 66 = 0 এর সমাধান হবে-

A x = 3

B x = 2

C x = 1

D x = 4

Solution

Correct Answer: Option A

32x-2 - 5.3x-2 - 66 = 0
এই সমীকরণের ডানপক্ষে x = 3 বসিয়ে পাই,
32.3-2 - 5.33-2 - 66
= 34 - 5.3 - 66
= 81 - 15 - 66 
= 0
= ডানপক্ষ

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