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What happens to the cube of a number if the number is multiplied by (i) 3? (ii) 4? (iii) 5? |
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Answer» (i) 3? Let the number is = a Its cube will be = a3 According to the question, the number is multiplied by 3 New number become = 3a Its new cube will be = (3a)3 = 27a3 Hence, cube will become 27 times (ii) 4? Let the number is = a Its cube will be = a3 According to the question, the number is multiplied by 4 New number become = 4a Its new cube will be = (4a)3 = 64a3 Hence, cube will become 64 times (iii) 5? Let the number is = a Its cube will be = a3 According to the question, the number is multiplied by 5 New number become = 5a Its new cube will be = (5a)3 = 125a3 Hence, cube will become 125 times |
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