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Find the cube root of the following number. −2744 - Mathematics

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प्रश्न

Find the cube root of the following number.

−2744 

योग
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उत्तर

To find the cube root of −2744, let us factorise 2744 first.

2744 = 2 × 2 × 2 × 7 × 7 × 7 

2744 = (2 × 7) × (2 × 7) × (2 × 7) = (2 × 7)3 = 143

−2744 = (−14)3

∴ `root(3)(-2744) = -14`

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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 3: Indices and Cube root - Practice Set 3.3 [पृष्ठ १८]

APPEARS IN

बालभारती Mathematics [English] Standard 8 Maharashtra State Board
अध्याय 3 Indices and Cube root
Practice Set 3.3 | Q 3.5 | पृष्ठ १८
बालभारती Mathematics Integrated [English] Standard 8 Maharashtra State Board
अध्याय 3 Indices and Cube root
Practice Set 3.3 | Q 1. (5) | पृष्ठ ५७
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