`25x^(2)+36y^(2)+60xy`

Find the value of the expression (36x^(2) + 25y^(2) - 60 xy) , when x = (2)/(3) and y = (1)/(5)

A focus of the hyperbola 25x^(2)-36y^(2)=225 is

Factories 25 x ^(2) + 16 y ^(2) + 4z ^(2) - 40 xy + 16 xy - 20xy

Find the axes,eccentricity,lsatus rectum and the coordinates fo the foci of the hyperbola 25x^(2)-36y^(2)=225

Factorize each of the following expressions: x^(2)+2xy+y^(2)-a^(2)+2ab-b^(2)25x^(2)-10x+1-36y^(2)1-2ab-(a^(2)+b^(2))

Factorize each of the following expressions: 25x^(2)-10x+1-36y^(2)

Factorize each of the following expressions: a^(2)-b^(2)-a-b25x^(2)-10x+1-36y^(2)1-2ab-(a^(2)+b^(2))

if x^(2) + y^(2)= 25xy , then prove that 2 log(x + y) = 3log3 + logx + logy.