Expand (x+y+z)(x2+y2+z2−xy−yz−zx)=
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Step-by-step explanation:
x + y+ z)( x² +y² +z² - xy - yz - zx)
Expanding the entire bracket,
= x³ + xy² + xz² - x²y - xyz -zx² + yx + y³ + yz² - xy² - y²z - xyz + zx² + zy² + z³ - xyz - yz² - z²x
=x³ + y³ +z³ - 3xyz
don't know ki ans sahi h ya glt.....srry❤❤☺mene kuch bhi likh diya h xD
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