Math, asked by hajilm382, 4 months ago

using identities, evaluate 71

Answers

Answered by Cristina1256

1

Answer:

(70+1)^2

70^2+1^2+2*70*1

4900+1+140

5041

here we use (a+b)^2identity

Step-by-step explanation:

Answered by nainaraj17

8

Answer:

( a + b ) ² = ( 70+1 ) ²

= 70² + 1²

= 4900 + 1

= 4901

Hope it helps u

❤ Naina Raj ❤

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