Math, asked by Tinkel, 1 year ago

Find the square by suitable identity
1) 71
2) 32

Answers

Answered by adityamahale2003
4

Step-by-step explanation:

We will solve these by identity (a+b)²=a²+b²+2ab

1)71²

=(70+1)²

=70²+1²+ 2×70×1

=4900+1+140

=5041

2)32²

=(30+2)²

=30²+2²+ 2×30×2

=900+4+120

=1024

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