Question

Find the product using sutiable identity : (2x - y + 3z) (4x² + y² + 9z² + 2xy + 3yz - 6zx) ​

Answer 1

Answer:

identity (a+b+c)^2 + ( a^2 + b^2 +c^2 +2ab +2bc +2ac)= 3abc

= 3×2x×1y×3z

= 18xyz