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If A=(-3,4), B=(-1,-2), C=(5,6) and D=(x...

If A=(-3,4), B=(-1,-2), C=(5,6) and D=(x,-4) are vertices of a quadrilateral such that `triangleABD=2triangleACD`. Then, x is equal to

A

6

B

9

C

69

D

96

Text Solution

Verified by Experts

The correct Answer is:
C
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