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Question

Slope of normal to the curve
y=x21x2 at (1, 0) is

A
14
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B
14
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C
4
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D
4
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Solution

The correct option is A 14
Slope of the tangent of the curve at (1, 0) is
dydxx=1=2x+2x3x=1=4 slope of normal to the curve=1dydx=14

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