Question

expand using suitable identity (-x+2y+3z)^2​

Answer 1

Step-by-step explanation:

( a + b + c ) ^ 2 = a^ 2 + b ^2 + c^ 2 +2 ( ab + bc + ca)

(-x+2y+3z)^2 = ( -x)^2 + (2y) ^2 + (3z)^2 + 2(-2xy + 6yz - 3xz)

(-x+2y+3z)^2= x^2 + 4y^2 + 9z^2 - 4xy + 12yz - 6xz