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At what point on the curve x^(3)-8a^(2)y...

At what point on the curve `x^(3)-8a^(2)y = 0` the slope of the normal is -2/3?

A

(a, a)

B

(2a, -a)

C

(2a, a)

D

None of these

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The correct Answer is:
C
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