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Question

If 2x – 3y = 1, then express 4x22x+3 in terms of y.


A

9y2 – 3y + 3

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B

9y2 – 2y + 3

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C

y2 – 3y + 4

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D

9y2 + 3y + 3

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Solution

The correct option is A

9y2 – 3y + 3


2x3y=1x=(1+3y)24(1+3y2)21+3y2+3(1+3y)2(1+3y)+39y23y+3


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