Math, asked by karnpooja911, 7 hours ago

evalute the following by using the identity (a + b) ² = a² + 2ab + b² : ( 23) ²

Answers

Answered by vandanaammu0

0

Answer:

529

Step-by-step explanation:

(20+3)²=20²+2×20×3+3²

529=400+120+9

529=529.

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