evaluate the following by using identity no 1 101 square
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Answer:
1212201
Step-by-step explanation:
(a + b + c )² = a² + b² + c² + 2ab + 2bc + 2ca
(1000 + 100 +1)² = 1000² + 100² + 1² + 2(1000)(100) + 2(100)(1) + 2(1000)(1)
= 1000000 + 10000 + 1 + 200000 + 200 + 2000
= 1212201 Ans
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