Mathematics
Expand (x + y - z)2
Expansions
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Answer
Given,
⇒ (x + y - z)2
Expanding,
⇒ x2 + y2 + z2 + 2xy - 2yz - 2zx
⇒ x2 + y2 + z2 + 2(xy - yz - zx).
Hence, (x + y - z)2 = x2 + y2 + z2 + 2(xy - yz - zx).
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Expand (x + y - z)2
14 Likes
Given,
⇒ (x + y - z)2
Expanding,
⇒ x2 + y2 + z2 + 2xy - 2yz - 2zx
⇒ x2 + y2 + z2 + 2(xy - yz - zx).
Hence, (x + y - z)2 = x2 + y2 + z2 + 2(xy - yz - zx).
Answered By
10 Likes