যদি y=2/(sqrt(a^2-b^2)){tan^(-1)sqrt((ab)/(a+b))tan(x/2)}\n, তাহলে দেখান\n n(d^2y)/(dx^2)=(bsin...

If y=2/sqrt(a^2-b^2)tan^-1[sqrt((a-b)/(a+b))tan(x/2)] then (d_2y)/(dx^2)|(=),(x=pi/2):|

If y=2/(sqrt(a^(2)-b^(2)))tan^(-1)[sqrt((a-b)/(a+b))"tan"x/2] , prove that dy/dx=1/(a+bcosx),agtbgt0 .

y = tan ^ (- 1) [sqrt ((ab) / (a + b)) (tan x) / (2)]

If y=2/(sqrt (a^2-b^2)) tan ^-1 [(sqrt( a-b)/(a+b)) tan x/2] , show thatdy/dx= 1/(a+b cos x) and (d^2y)/(dx^2)= (bsinx)/((a+b scos x)^2)

If y=tan^(-1)sqrt(x^(2)+1)+cot^(-1)sqrt(x^(2)+1)" then "(dy)/(dx)=

If y=tan^(-1)[(x-sqrt(1-x^(2)))/(x+sqrt(1-x^(2)))]," then "(dy)/(dx)=

If x ^(2)y^(2) =tan ^(-1) sqrt(x^(2) +y^(2) )+cot ^(-1) sqrt(x^(2) +y^(2)),then (dy)/(dx)=

(d)/(dx)(tan^(-1)((x)/(sqrt(a^(2)-x^(2))))

If y=tan^(-1) sqrt(x^(2)+y^(2))+cot^(-1) sqrt(x^(2)+y^(2)),"then " dy/dx=