using identities, evaluate 71
Answers
Answered by
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
8
Answer:
( a + b ) ² = ( 70+1 ) ²
= 70² + 1²
= 4900 + 1
= 4901
Hope it helps u
❤ Naina Raj ❤
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