If `y = a^x` then `y_(n)` is equal to

If y=cos2xcos3x , then y_(n) is equal to

(x+y)^(n) + (x-y)^(n) is equal to

If x^y=y^x , then (dy)/(dx) is equal to......

If y^(x) = x^(y) , "then" (dy)/(dx) is equal to

A , r = 1 , 2, 3 ….., n are n points on the parabola y^(2)=4x in the first quadrant . If A_(r) = (x_(r),y_(r)) where x_(1),x_(2),….x_(n) are in G.P and x_(1)=1,x_(2)=2 then y_(n) is equal to

if y=x^(10) then y " is equal to ...... .

If X' = Y then (X cap Y)' is equal to

If y=x^(n-1)ln x then x^(2)y_(2)+(3-2n)xy_(1) is equal to -(n-1)^(2)y(b)(n-1)^(2)y-n^(2)y(d)n^(2)y