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Question
Evaluate using algebraic formula:
1042
Evaluate
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Solution
1042
Let’s take it as (100 + 4)2
(100 + 4)2 = (100)2 + 2(100)(4) + (4)2 ...[Using (a + b)2 = a2 + 2ab + b2]
(100 + 4)2 = 10,000 + 2(400) + 16
(100 + 4)2 = 10,000 + 800 + 16
∴ (100 + 4)2 = 10,816
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