Question

using identity a² + b² find 4² + 6²

Answer 1

Answer: 52

Step-by-step explanation:

4^2 = 16

6^2 = 36

so 16 +36 = 52

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Answer 2

Answer:

100

Step-by-step explanation:

[a + b]² = a² + 2ab + b²

[4 + 6]² = 4² + 2×4×6 + 6²

⇒ 16 + 48 + 36 = 100