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If the points P=(a,2),Q=(1,3) and R=(5,b...

If the points P=(a,2),Q=(1,3) and R=(5,b) are such that PQ=QR. Find 'a' and 'b' if P,Q and R are collinear.

A

a=-3,b=2

B

a=3,b=4

C

a=-3,b=4

D

a=1,b=2

Text Solution

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The correct Answer is:
C
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