" (2) "5f((2)/(3))^(x)((3)/(2))^(2x)=(81)/(16)" then "x=

If ((2)/(3))^(x)((3)/(2))^(2x)=(81)/(16),. then x=2(b)3 (c) 4(d)1

Find x' if ((2)/(3))^(xx)x((3)/(2))^(2x)=(81)/(16)

((x)/(3)-(2)/(5))/((3)/(4)-2x)=(16)/(15)

If (2/3)^x\ \ (3/2)^(2x)=(81)/(16), . then x= (a) 2 (b) 3 (c) 4 (d) 1

If (3^(5x)*(81)^(2)*6561)/(3^(2x))=3^(7) then x=

((64)/(27))^((2)/(3))times((9)/(16))^((3)/(2))times((81)/(256))^((3)/(4))=((3)/(4))^(x) then x=

(3^(5x)xx81^(2)xx6561)/(3^(2x))=3^(7), then x=

If (d)/(dx) (2x^(3)-5)^(10)=(2x^(3)-5)^(9)f(x) , then f(x) is -

Let f(x)=cot^(-1)((x^(2)-x+1)/(2x-3x^(2))+(x^(2)-x+1)/(3-2x)) and if f((3)/(2))+f((5)/(7))+f((2)/(3))+f((7)/(5))=k pi then k is

If (3^(5x)xx(81)^(2)xx6561)/(3^(2x))=3^(7) , then x =_______