Math, asked by saba848, 5 months ago

THEMATICS
6. Using identities, evaluate
(i) 71 ^2

Answers

Answered by redskull2775

1

Answer:

142

Step-by-step explanation:

,................................

Answered by ThGreat

0

Step-by-step explanation:

=71^2

=(70 +1)^2

=(a+b)^2

=a^2+2*a*b+b^2

=(70)^2 + (2*70*1) + 1^2

=4900+140+1

=5041

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