Question

Using suitable identity find the value of (205)

2

.
$(205) \sqrt{2}$
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Answer 1

Step-by-step explanation:

${205}^{2} = {200 + 5}^{2} = {200}^{2} + {5}^{2} + 2(200)(5) = 40000 + 25 + 2000 = 42025$

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