If x+y+z=22 and xy+yz+zx=35, then what  is the value of (x-y)² +(y-z)²+(z-x)²?

x = y = 333 and z = 334, then value of x³ + y³ + z³ – 3xyz is 

If   $$ {{x+1}\over4x}={5\over 2}$$ then what is the value of   $$ 64x^6+1\over 8x^3  $$

lf p + m = 6 and p³ + m³ = 72, then the value of pm is: 

If $$ {t^{2}-4t+1=0}$$ then what is the value of $${t^{3}+{1\over {t^{3}}}}$$ ?

If $$ \sqrt {x^2+y^2}=25$$, and y=2x, find x. 

x-y=2, xy=24, then the value of (x²+y²) is:

If for two real constants a and b the expression ax³+3x²-8x+b is exactly divisible by (x+2) and (x-2), then