Question

using the identities .find the value of 101?
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Answer 1

(101)

2

=(100+1)

2

Using (a+b)

2

=a

2

+b

2

+2ab

(100+1)

2

=100

2

+1

2

+2×100×1

=10000+1+200

=10000+201

=10201.