Question

find the cube roots of the following numbers by the shortcut method verify the answers ​

Answer 1

Answer:

1)))300763

300 less cube is 6 therefore tenth place digit is 6

7*7*7 gives unit place digit 3 therefore unit place digit is 7

therefore no. is 67

2))

551 less cube is 8 therefore tenth place digit is 8

2*2*2 gives unit place digit 8 therefore unit place digit is 2

therefore no. is 82

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