Math, asked by RudraDZN, 11 months ago

Evaluate, Using Identities (from algebra)
1. 99sq
2.95sq

Answers

Answered by aniket821

2

Step-by-step explanation:

1. 99 sq

=(100-1)sq

=(100-1)(100-1)

=100(100-1)-1(100-1)

=10000-100-100+1

=9900-100+1

=9800+1

=9801

2.95sq

=(90+5)sq

=(90+5)(90+5)

=90(90+5)+ 5(90+5)

=8100+450+450+25

=9025

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