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Triplicate Ratio

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Question

Question 108

Evalutate : $(0.3) \times (0.3) - (0.2) \times (0.2)$

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Solution

Given $(0.3) \times (0.3) - (0.2) \times (0.2) ∵ 03 = \frac{3}{10} a n d 0.2 = \frac{2}{10} ∴ (\frac{3}{10} \times \frac{3}{10}) - (\frac{2}{10} \times \frac{2}{10}) = \frac{9}{100} - \frac{4}{100} = \frac{9 - 4}{100} = \frac{5}{100} = 0.05$

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Triplicate Ratio

Standard X Mathematics

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