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Principal value of tan^-1sqrt3is -------...

Principal value of `tan^-1sqrt3`is ------------

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A N EXCEL PUBLICATION-PROBABILITY-QUESTION BANK
  1. If |[x,2],[18,x]| = |[6,2],[18,6]|, then x =

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  2. prove |[1, b c, a(b+c)],[ 1, c a, b(c+a)],[ 1, a b, c(a+b)]|=0

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  3. Principal value of tan^-1sqrt3is ------------

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  4. Write the following functions in the simplest form : tan^(-1) sqrt((...

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  5. Find int(x^2)/(2x^3+1) dx=--------

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  6. Prove that the function f(x)=2x-5 is continuous at x=-2

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  7. If xsqrt(1+y)=sqrtx, prove that dy/dx=-1/(x^2)

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  8. The factor of 3 is

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  9. Solve: x-y+2z=7 3x+4y-5z=-5 2x-y+3z=12

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  10. On Z^+,a*b=2^sqrt(ab), value of 4*9 is--------

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  11. In each of the following cases, states whether the function is one-one...

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  12. If f(x)=2x+3, findf[f(x)].

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  13. The total revenue received from tha sale of x units of a product is R(...

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  14. Find the equation of the normal to the curve x^2=9y which passes throu...

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  15. Consider the lines l1:(x-1)/2=(y-1)/-1=z/1 l2:(x-2)/3=(y-1)/-5=(z+1)/...

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  16. Consider the lines l1:(x-1)/2=(y-1)/-1=z/1 l2:(x-2)/3=(y-1)/-5=(z+1)/...

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  17. The condition for the lines with direction ratio a1,b1,c1 and a2,b2,c2...

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  18. Find the angle between the lines (x+3)/3=(y-1)/5=(z+3)/4 and (x+1)...

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  19. Consider the differential equation dy/(dx)+y=cos(e^x) Write the orde...

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  20. Consider the differential equation dy/(dx)+y=cos(e^x) . Solve the dif...

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