(2X-y+3Z)(4x²+y²+9z²+2xy+3yz-6xz)(2x-y+3z)((2x)²+(y)²+(3z)²-(-y*2x)-(-y*3z)-(2x*3z)(2x)³+(-y)³+(3z)³-(3×-y×2x×3z) [ ∵(a+b+c)(a²+b²+c²-ab-bc-ca)= a³+b³+c³-3abc]8³-y³+27+³+18xyz ANS.
Your experience on this site will be improved by allowing cookies. Read Cookie Policy