Find the square of 105 using an identity.

The square of 105 can be found using the identity: (a + b)2 = a2 + b2 + 2ab
Now,
1052 = (100 + 5)2
        = (1002 + 52 + 2 x 100 x 5)
        = 10000 + 25 + 1000
        = 11025
Thus, the square of 105 = 11025, is found using an identity.

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