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Question

The slope of the tangent to the curve (yx5)2=x(1+x2)2 at the point (1,3) is ..................

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Solution

2(yx5)(dydx5x4)
=1(x+x2)2+(x)(2(1+x2)(2x))
Now put x=1,y=3 and dydx=m
2(31)(m5)=1(4)+(1)(4)(2)
m5=124
m=5+3=8
dydx=m=8

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