Evaluate (11)²
by using suitable identity.
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Answer:
= 121
Step-by-step explanation:
(11)^2
By identity
(a + b) = a^ +2(a)(b) + b^2
=(10 + 1)^2
=(10)^2 + 2(10)(1) + (1)^2
= 100 + 20 + 1
= 121
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