For x = 2 and y = -3, verify the following:

For x = 2 and y = -3, verify the following:
(i) (x + y)² = x² + 2xy + y²
(ii) (x – y)² = x² – 2xy + y²
(iii) x² – y² = (x + y) (x – y)
(iv) (x + y)² = (x – y)² + 4xy
(v) (x + y)³ = x³ + y³ + 3x²y + 3xy²

Solution:

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