Question

(102)^2 using suitable identity

Answer 1

Answer:

(a+b)^2= a^2+b^2+2ab

(100+2)= (100)*2 + (2)*2 + 2(100)(2)

= 10000 + 4 + 400

= 10404

Step-by-step explanation:

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Answer 2

Answe

using the identity

(a+b)²=a²+b²+2ab

102 can be written as 100+2

where a=100 and b=2

a²+b²+2ab

100²+2²+2(100)(2)

10000+2+400

10404

therefore 102²=10404

hope it helps

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