Question

what will be the 6.1 square using identities​

Answer 1

Answer:

Step-by-step explanation:

6.1 sq. Can be written as (2+3.1)^2

Therefore we can use the identity:(a+b)^2 =a^2+b^2 +2ab

A.T.Q.

2^2+3.1^2+2*2*3.1

=4+9.61+12.4

=26.5

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Answer 2

6.1sq written be as (2+3.1)^2

Therefore we can use this also,
(a+b)^2=a^2+b^2+2ab


According to question:

2^2+3.1^2+2*2*3.1

=4+9.61+12.4

=26.5


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