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If y=x^(2)+x,x=10,Deltax=0.1, then find...

If `y=x^(2)+x,x=10,Deltax=0.1,` then find `Deltay` and dy

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SRISIRI PUBLICATION-IPE:MARCH-2015 (AP)-IPE:MARCH-2015(AP) MATHS-1B
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  6. If y=ae^(nx)+be^(-nx), then prove that y''=n^(2)y.

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  8. Verify Rolle's theorem of the function log(x^2+2)-log 3 on (-1,1)

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