Question

(1/5^2)*(-2/7^2)
Express as a rational number ​

Answer 1

${(\frac{1}{5}) }^{2} \times { (\frac{ - 2}{7} )}^{2} \\ = > \frac{1}{25} \times \frac{4}{49} \\ = > \frac{4}{1225}$

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