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What are binomial algebraic identities?


Safeer PP 21st Dec, 2021
Answer (1)
Safeer PP 21st Dec, 2021

(x + y)²= x² + 2xy + y²

(x – y)² = x²  – 2xy + y²

x² – y²= (x + y) (x – y)

(x + y)³ = x³ + y³+ 3xy (x + y)

(x – y)³ = x³ – y³ – 3xy(x – y) = x³ – 3x²y + 3xy² – y³

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