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Find (dy)/(dx), when x=a e^(theta)(sinth...

Find `(dy)/(dx),` when `x=a e^(theta)(sintheta-costheta),y=a e^(theta)(sintheta+costheta)`

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BANSAL-LIMITS AND DERIVATIVES-All Questions
  1. Find (dy)/(dx) , if x=acostheta , y=bcostheta

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  2. Find (dy)/(dx) , if x=costheta-cos2theta , y=sintheta-sin2theta

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  3. Find (dy)/(dx), when x=a e^(theta)(sintheta-costheta),y=a e^(theta)(si...

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  4. Find (dy)/(dx) , if x=a(cost+logtant/2) , y=asint

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  5. Find (dy)/(dx) , if x=asectheta , y=btantheta

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  6. Find (dy)/(dx) , if x=a(costheta+thetasintheta) , y=a(sintheta-thetaco...

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  7. If x=sqrt(a^sin^((-1)t)) , y=sqrt(a^cos^((-1)t)) , show that (dy)/(...

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  8. If y = x^3 + tan x, show that (d^2y)/dx^2= 6x + 2 sec^2 tanx.

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  9. If y=3e^(2x)+2e^(3x) , prove that (d^2y)/(dx^2)-5(dy)/(dx)+6y=0 .

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  10. If y=sin^(-1)x , show that (1-x^2)\ (d^2y)/(dx^2)-x(dy)/(dx)=0 .

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  11. If y=5cosx-3sinx , prove that (d^2y)/(dx^2)+y=0 .

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  12. If y=3cos(logx)+4sin(logx) , show that x^2y2+x y1+y=0

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  13. If y=A e^(m x)+B e^(n x) , show that (d^2y)/(dx^2)-(m+n)(dy)/(dx)+m n ...

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  14. If e^y(x+1)=1 . Show that (d^2y)/(dx^2)=((dy)/(dx))^2

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  15. If y=(tan^(-1)x)^2 , show that (x^2+1)^2y2+2x(x^2+1)y1=2 .

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  16. For a positive constant a find (dy)/(dx) , where y=a^(t+1/t) and x=(t+...

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  17. Differentiate sin^2x w.r.t. e^(cosx) .

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  18. Find (dy)/(dx) , if y=12(1-cost) , x=10(t-sint)

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  19. Find (dy)/(dx) , if y=sin^(-1)x+sin^(-1)sqrt(1-x^2) , -1lt=xlt=1

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  20. If xsqrt(1+y)+ysqrt(1+x)=0, prove that (dy)/(dx)=-1/((x+1)^2)

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