Question

Evaluate the following without actual multiplication (103)^2​

Answer 1

Step-by-step explanation:

(103)^2

(100+3)^2

(100)^2 +(2×100×3)+(3)^2

10000+600+9

10609

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Answer 2

Answer:

(103)² = (100+3)²

(100)²+2×100×3×(3)²

10000+600+9

10609

using identity

(a+b)² = a²+2ab+b²