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" 3."(1)/(sqrt((x^(2)+3x+1)))...

" 3."(1)/(sqrt((x^(2)+3x+1)))

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If y=(1)/(3)"log" (x+1)/(sqrt(x^(2)-x+1))+(1)/(sqrt(3))"tan"^(-1)(2x-1)/(sqrt(3)) , show that, (dy)/(dx)=(1)/(x^(3)+1)

The number of real solution of cot^(-1)sqrt(x(x+3))+sin^(-1)sqrt(x^(2)+3x+1)=(pi)/(2) is /are

The number of real solution of cot^(-1)sqrt(x(x+3))+sin^(-1)sqrt(x^(2)+3x+1)=(pi)/(2) is /are

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The function f(x) = cot^(-1) sqrt(x(x+3)) + cos^(-1) sqrt(x^(2) + 3x +1) is defined on the set S, where S is equal to

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The expression : (1)/(sqrt((3x + 1))) ( { ( (1 + sqrt(3x + 1))/(2) )^(7) - ( (1 - sqrt(3x + 1))/(2))^(7) } ) is a polynomial in x of degree is :

1) x-(1)/(2)sqrt(x^(3)+3x^(2)+3x+1)