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प्रश्न
Find the derivative of the following function w. r. t. x.:
`7xsqrt x`
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उत्तर
Let y = `7xsqrt x`
=` 7x^1x^(1/2)`
`y = 7x^(3/2)`
Differentiating w.r.t. x, we get
`dy/dx = d/dx7x^(3/2)`
= `7xx3/2x^(3/2-1)`
= `21/2 x^(1/2)`
=`21/2sqrtx`
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