Question

$(1 \frac{7}{11} ) {}^{2}$
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Answer 1

Step-by-step explanation:

17^2=289

8^2=64

17^2-8^2=289-64-225

√225=15

Answer 2

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$(1 \frac{7}{11} ) {}^{2}$

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$1 \times \frac{7}{11} {}^{2} = 1 \times \frac{2}{5} {}^{2}$

Final Answer:-

$1 \times \frac{2}{5}$