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If for the function "Phi"(x)=lambdax^2+7...

If for the function `"Phi"(x)=lambdax^2+7x-4,\ \ "Phiprime^"(5)=97` , find `lambda` .

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Verified by Experts

Given that,
`O/(x)=lambdax^2+7x-4`
`=>O/'(x)=2λx+7`
`=>O/'(5)=97`
`=>10λ+7=97`
`=>10λ=90`
`=>λ=9`
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RD SHARMA-DIFFERENTIABILITY-Solved Examples And Exercises
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  2. Show that the derivative of the function f given by f(x)=2x^3-9x^2+...

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  14. Is every continuous function differentiable?

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