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Equation ax^3-9x^2y-xy^2+4y^3=0 represen...

Equation `ax^3-9x^2y-xy^2+4y^3=0` represents three straight lines. If the two of the lines are perpendicular , then a is equal to

A

-5

B

5

C

-4

D

4

Text Solution

Verified by Experts

The correct Answer is:
B, C
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