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If y = loga x + log xa + log x x + logaa...

If `y = log_a x + log _xa + log _x x + log_aa`, then`dy/dx` is equal to

A

`1/x+x loga`

B

`(1)/(x log a)+x loga`

C

`(log a)/(x)+(x)/(log a)`

D

None of these

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The correct Answer is:
D
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CBSE COMPLEMENTARY MATERIAL-CONTINUITY AND DIFFERENTIABILTY-4 Marks Questions
  1. If y = loga x + log xa + log x x + logaa, thendy/dx is equal to

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  2. Examine the continuity of the following function at the indicated pion...

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  3. Examine the continuity of the following function at the indicated pion...

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  4. Examine the continuity of the following function at the indicated pion...

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  5. Examine the continuity of the following function at the indicated pion...

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  6. Given that f(x) = {{:((sqrt(1+kx)-sqrt(1-kx))/(x),if -1 le x lt 0),(...

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  7. For what values of constant K, the following functions are continuous ...

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  8. For what values of constant K, the following functions are continuous ...

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  10. Determine the values of a ,\ b ,\ c for which the function f(x)={(s...

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  11. f(x)={{:(,[x]+[-x], x ne 0),(,lambda,x=0):} Find the value of lambda...

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  12. Let f(x)={{:((1-sin^(3)x)/(3cos^(2)x),"if "x lt(pi)/(2)),(a,"if "x=(pi...

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  13. If f(x)={x^2+3x+a ,xlt=1b x+2,forx >1 is everywhere differentiable, f...

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  14. Find the realtionship between a and b so that the function defined by ...

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  15. Differentiate tan^(-1)((sqrt(1-x^(2)))/(x)) w.r.t. cos^(-1)(2xsqrt(1-x...

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  16. If y=x^(x^(x)), "then find "(dy)/(dx).

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  17. Differentiate (x cos x)^(x)+(x sin x)^(1/x) w.r.t.x.

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  18. If x^m y^n=(x+y)^(m+n) , prove that (dy)/(dx)=y/x .

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  19. If (x-y)dot(x-y)/x=a , Prove that y(dy)/(dx)+x=2ydot

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  20. If x=tan(1/alogy) , show that (1+x^2)(d^2y)/(dx^2)+(2x-a)(dy)/(dx)=0 .

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  21. If y=xlog"{"x/((a+b x))"]" , then show that x^3(d^2y)/(dx^2)=(x(dy)/(d...

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