factor of 4 x square + 9 y square + Y square + x y - 24 Y Z - 16 XZ
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Answer:
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Answered by
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Answer:
4x
2
+9y
2
+25z
2
−12xy−30yz+20zx
=[(2x)
2
+(−3y)
2
+(5z)
2
+2(2x)(−3y)+2(−3y)(5z)+2(5z)(2x)]
Comparing with the identity V,
(x+y+z)
2
≡x
2
+y
2
+z
2
+2xy+2yz+2zx, we get
=(2x−3y+5z)
2
=(2x−3y+5z)(2x−3y+5z).
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