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Question

If a12+b12c12=0, then the value of (a+bc2) is ____.

A
2ab
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B
2bc
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C
4ab
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D
4ac
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Solution

The correct option is C 4ab
Given, a12+b12c12=0
Given equation can be written as a+b=c
Squaring both sides, we get
a+b+2ab=c
Thus (a+bc)2=(2ab)2
=4ab

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