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Mathematics

Find the cube-roots of -1331

Cube & Cube Roots

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Answer

Prime factors of 1331:

Find the cube-roots of -1331. Cubes and Cube Roots, Concise Mathematics Solutions ICSE Class 8.

13313=(11×11×11)3=11\sqrt[3]{-1331}\\[1em] = -\sqrt[3]{(11 \times 11 \times 11)}\\[1em] = -11

Hence, 13313=11\sqrt[3]{-1331} = -11

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