Question

square form of 11 to 30​

Answer 1

Answer:

11^2=121

30^2=900

Step-by-step explanation:

11^2=(10+1)^2

=10(10+1)+1(10+1)

=100+10+10+1

=121

30^2=(30+0)^2

=30(30)+0(30)

=900+0

=900.

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