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RS AGGARWAL-DIFFERENTIATION-Exercise 10I
- "If "x=3cost-2cos^(3)t,y=3sint-2sin^(3)t," show that"(dy)/(dx)=cott.
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- if x=(1+lnt)/t^2 and y=(3+2lnt)/t then show that y(dy)/(dx)=2x((dy)/(d...
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- Find (dy)/(dx) , when x=a(1-costheta) and y=a(theta+sintheta) at theta...
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- If x=2costheta-cos2\ theta and y=2sintheta-sin2\ theta , prove that (d...
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- If x=sin^3t/(sqrtcos2t), y=cos^3t/sqrt(cos2t) show that dy/dx =0 at t=...
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- "If "x=(2costheta-cos 2theta)and y=(2sin theta-sin 2theta)," find "((d...
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- If x=a(theta-sintheta) , y=a(1+costheta) find (d^2y)/(dx^2)
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- Find the second derivative of : (i)x^(11)" "(ii)5^(x)" "(ii...
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- Find the second derivative of: (i)x sin x" "(ii)e^(2x)cos 3x" ...
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- If y=x+tanx , show that cos^2x\ (d^2y)/(dx^2)-2y+2x=0 .
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- If y=2sinx+3cosx ,show that (d^2y)/(dx^2)+y=0
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- If y=a cos (logx)+b sin (logx), prove that x^(2)y(2)+xy(1)+y=0.
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- If y=e^(-x)cosx, show that (d^(2)y)/(dx^(2))=2e^(-x)sinx.
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- If y=sec x-tanx,show that (cosx)(d^(2)y)/(dx^(2))=y^(2).
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- If y=("cosec "x+cotx), prove that (sinx)(d^(2)y)/(dx^(2))-y^(2)=0.
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- If y=tan^(-1)x , show that (1+x^2)(d^2y)/(dx^2)+2x(dy)/(dx)=0 .
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- If y=sin(sinx) then prove that (d^2y)/(dx^2)+tanx. (dy)/(dx)+y cos^2...
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- If y=a cos (logx)+b sin (logx), prove that x^(2)y(2)+xy(1)+y=0.
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- Find the second derivative of e^(3x)sin4x.
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- Find the second derivative of sin 3x cos 5x.
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