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Find the equation of normal to the circl...

Find the equation of normal to the circle `x^2+y^2 = 5` at (2,1).

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MODERN PUBLICATION-APPLICATIONS OF DERIVATIVES-PROBLEM
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  3. Find the equation of normal to the circle x^2+y^2 = 5 at (2,1).

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  13. Prove that y=mx+c touches the parabola y^2 = 4ax if a=mc.

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  14. If f(x) = a In x + bx^2 + x has extreme values at x= - 1 and x = 2 the...

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  15. Find the intervals where the following functions are (a) increasing an...

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  19. Find the altitude of a right circular cylinder of maximum volume inscr...

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