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Find the product. (x+y-z)(x^2+y^2+z^2-xy...

Find the product. `(x+y-z)(x^2+y^2+z^2-xy+yz+zx)`

Text Solution

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The correct Answer is:
`x^3+y^3-z^3+3xyz`.
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If x + y + z = 10, x^3+y^3+z^3=75 and xyz = 15, then find the value of x^2+y^2+z^2 -xy-yz-zx यदि x + y + z = 10, x^3+y^3+z^3=75 तथा xyz = 15 है, तो x^2+y^2+z^2 -xy-yz-zx का मान ज्ञात कीजिए।