Question

Using identities evaluate the 107 square

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

Step-by-step explanation:

(107)^2 = (100 + 7)^2

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

So,  (100 + 7)^2 = (100)^2 + 2 * 100 * 7 + (7)^2

                           = 10000 + 1400 + 49

                           = 11449 (ANS.)