The point on the curve 6 y = x 3 + 2 at which y − co-ordinate is changing 8 times as fast as x − co-ordinate is ________

Question

The point on the curve 6 y = x 3 + 2 at which y − co-ordinate is changing 8 times as fast as x − co-ordinate is ________, ( 4 , 11 ), ( 4 , - 11 ), ( − 4 , 11 ), ( - 4 , - 11 )

MARKS App · Accepted Answer

d y d x = x 2 2 = 8 ⇒ x = ± 4 Substituting value of x in the curve, we get 4 , 11 , ( - 4 , - 31 3 )

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