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Question

If (x12)2(x32)2=x+2, then the value of x is equal to

A
3
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B
2
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C
4
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D
None of these
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Solution

The correct option is C 4
Given:
(x12)2(x32)2=x+2
Using identity,
a2b2=(a+b)(ab)
(2x2)(1)=x+2
2x2=x+2
2xx=2+2x=4

Hence, option 'C' is correct choice.

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