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Mathematics

Find the cube-roots of -2197

Cube & Cube Roots

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Answer

Prime factors of 2197:

Find the cube-roots of -2197. Cubes and Cube Roots, Concise Mathematics Solutions ICSE Class 8.

21973=(13×13×13)3=13\sqrt[3]{-2197}\\[1em] = -\sqrt[3]{(13 \times 13 \times 13)}\\[1em] = -13

Hence, 21973=13\sqrt[3]{-2197} = -13

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