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Question

Find the value of a2b2ba given that b=3a and ba.

A
3
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B
1
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C
0
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D
1
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E
3
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Solution

The correct option is D 3
The value of a2b2ba=(ab)(a+b)ba=(a+b)
Given, b=3a
Putting this value, we get
(a+b) =(a+3a)=3

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