Math, asked by khaliqsalafi166, 3 months ago

use suitable identity find 71 square

Answers

Answered by asahilthakur

3

Answer:

5041

Step-by-step explanation:

Identity » (a+b)² = a²+2ab+b²

(71)²

= (70+1)²

= (70)² + 2(70)(1) + (1)²

= 4900 + 140 + 1

= 5041

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