Question
If y=x2+5x32+2x, then dydx= ?
Answer: Option D
:
D
Differentiating both sides w.r.t. 'x'
dydx=ddx[x2+5x32+2x]
Using the linearity property of the differentiation, we get = ddx[x2]+ddx[5x32]+ddx[2x]
Taking constants out, = ddx[x2]+5d[x32]dx+2ddx[1x]
=2x+5.32x12+2.(−1)x−2=2x+152x12−2x2
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:
D
Differentiating both sides w.r.t. 'x'
dydx=ddx[x2+5x32+2x]
Using the linearity property of the differentiation, we get = ddx[x2]+ddx[5x32]+ddx[2x]
Taking constants out, = ddx[x2]+5d[x32]dx+2ddx[1x]
=2x+5.32x12+2.(−1)x−2=2x+152x12−2x2
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