Error in Algebraic Identities
Wrong Right
1. ( x + y )2 = x2 + y2 ( x + y )2 = x2 + 2xy + y2
2. ( x - y )2 = x2 - y2 ( x - y )2 = x2 - 2xy + y2
3. ( x + y )3 = x3 + y3 (x + y)3 = x3 + y3 + 3xy (x + y)
4. ( x - y )3 = x3 - y3 (x - y)3 = x3 - y3 - 3xy (x - y)
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