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Question

Solve for x:- 25x1 = 4 × 23x+1


A
2
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B
-2
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C
3
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D
-3
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Solution

The correct option is A 2

Given : 25x1 = 4 × 23x+1

25x1 = 22 × 23x+1

25x1 = 23x+3 [am×an= a(m+n)]

Equating the exponents,

5x1=3x+3

x=2


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