" 21."x^(6)-729

If 5x + 9y = 5 and 125x^(3) + 729y^(3) = 120 then the vlaue of the product of x and y is

Factorize the following expressions x^6- 729

(2 + 5 omega + 2 omega ^ (2)) ^ (6) = (2 + 2 omega + 5 omega ^ (2)) ^ (6) = 729

Factorize the following polynomials x^(3)y^(3)+729

Fill in the blanks so that the equality holds 418xx(236xx729)=(418xx________)xx729

If (4sqrt(3)+5sqrt(2))/(sqrt(48)+sqrt(18))=(a+bsqrt(6))/(15) and ((a)/(b))^(x)((b)/(a))^(2x)=(64)/(729) , then find x .

729x^(6)-y^(6)