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The equation 9 x^(2)+24 x y+b^2 y^(2)-12...

The equation `9 x^(2)+24 x y+b^2 y^(2)-12 x+16 y-12=0` represents a pair of parallel lines then `b=`

A

±2

B

±3

C

±4

D

±5

Text Solution

Verified by Experts

The correct Answer is:
C
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HIMALAYA PUBLICATION-Pair Of Lines-QUESTION BANK
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