Write the formula for (x + y + z) ^ 2
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Answered by
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Answer:
(x + y + z)2 = x2 + y2 + z2 + 2xy + 2xz + 2yz
it is the answer
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Answered by
1
Answer:
(x+y+z)²=x²+y²+z²+2(xy+yz+zx)
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