y=log_(7)(log_(7)x)

Derivative of the function f(x)=log_(5)(log_(7)x) where x>7 is

The derivative of the function f(x)=log_(5)(log_(7)x)[x gt 7] is -

If log_(3)27.log_x7=log_(27)x.log_(7)3 , the least value of x is

If log_(3)27.log_x7=log_(27)x.log_(7)3 , the least value of x is

If log_(3)27.log_x7=log_(27)x.log_(7)3 , the least value of x is

If log_(12) (log_(7) x) lt 0 , then x belong to ______.

(d)/(dx)log_(7)(log_(7)x)= (a) (1)/(x log_(e)x) (b) (log_(e)7)/(x log_(e)x) (c) (log_(7)e)/(x log_(e)x) (d) (log_(7)e)/(x log_(7)x)

If log_(7)x+log_(7) y ge 2 , then the smallest possible integral value of x + y (given x ne y ) is ______.

x=log_(5)3+log_(7)5+log_(9)7