1.

`(3x-Yy)^(2)-(2x-3y)^(2)`

Answer» Use `a^(2)-b^(2)=(a-b)(a+b)`
`(3y-y)^(2)-(2x-3y)^(2)=(3x-y+2x-3y)(3x-y-2x+3y)`
`=(5x-4y)(x+2y)`


Discussion

No Comment Found

Related InterviewSolutions