Find the value of `[ ( x^( a - a^(-1 ) ))^(1/( a-1 ) ) ]^(a/( a +1 ))`

Find the value of ( 1/x + 1/y ) ( 1/x - 1/y )

Find the value of x if sin^(-1)(1/8)=cos^(-1)x

Find the value of 1/(1-1/(1-1/(1-1/x)))

Find the value of ( 1/x + 1/y ) ( 1/x - 1/y ) ( 1/x^2 + 1/y^2 )

Find the value of ( 1 + 1/x ) ( 1 + 1/( x+1 )) ( 1 + 1/( x+2 ) ) ( 1 + 1/( x+3 )) is : (1) 1 + (1/(x + 4 )) ( 2 ) x +4 ( 3 ) 1/x ( 4 ) ( x+4 )/x

Find the value of (1)/(1+x^(a-b))+(1)/(1+x^(b-a))

Find the value of ( x - 1/x )( x + 1/x ) ( x^2 + 1/x^2 ) =

Find the value of x so that (2^(-1)+4^(-1)+6^(-1)+8^(-1))^(x)=1

Find the value of x for which sin^(-1) (cos^(-1) x) lt 1 and cos^(-1) (cos^(-1) x) lt 1