If `(4)/(x+1)=(8)/(y-2)` where `xn2-1 and yne2`, what is terms of x?

If a^(-1/2) =x , where a gt 0 , what is a in terms of x ?

If x^(2)+y^(2)=k^(2) , and xy=8-4k , what is (x+y)^(2) in terms of k ?

If (1)/(8)x+(1)/(8)y=y-2x , then what is the value of (x)/(y) ?

If x/y+y/x=-1 where xne0 and yne0 then the value of (x^3-y^3) is

A=(x^8-1)//(x^4+1) and B=(y^4-1)//(y^2 +1) .If x= 2 and y = 9, then what is the value of A^2 + 2AB + AB^2 ? A=(x^8-1)//(x^4+1) तथा B=(y^4-1)//(y^2 +1) है। यदि x= 2 तथा y = 9 है, तो A^2 + 2AB + AB^2 का मान क्या है?

If x+y=2k-1, and x^(2)+y^(2)=9-4k+2k^(2) , what is xyin terms of k?

If |(x,x^(2),1+x^(2)),(y,y^(2),1+y^(2)),(z,z^(2),1+z^(2))| where x, y, z are distinct what is |A| ?

If y=at^2 , x= 2at where a is a constant what is the value of (d^2y)/(dx^2) at x=1/2 ?

y=2^(1/((log)_x4) , then find x in terms of y.

y=2^(1/((log)_x4) , then find x in terms of y.