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Question

If |y3|=|y+1| then the value of y is


A

1

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B

2

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C

3

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D

4

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Solution

The correct option is A

1


|y3|=|y+1| squaring both sides

(y3)2=(y+1)2

y26y+9=y2+2y+1

6y2y=19

8y=8

y=1


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