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Distributive Property

55 × 55=2500+...

Question

55 × 55 = 2500 + 2 × 5 × 50 + ________.

A

25

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B

50

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C

30

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D

40

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Solution

The correct option is A
25

55 x 55 = (55)²

=(50 + 5)²

=2500 + 2 x 5 x 50 + 25

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\sqrt{12 \sqrt{5} + 2 \sqrt{55}} =

\sqrt{2} = 1.41 and \sqrt{5} = 2.24

, find the value of

\frac{3}{(8 \sqrt{2} + 5 \sqrt{5})} + \frac{2}{(8 \sqrt{2} - 5 \sqrt{5})}

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