What is the smallest number by which 686 must be multiplied so that the product is perfect cube
Answers
Answered by
31
Prime factors of 686= 2×7×7×7
→686 = perfect cube if ×2 or ÷2 = ×1/2
therefore smallest number required
1/2 or 2
Answer! ^-^
Answered by
8
Answer:
686=2×7×7×7
Multipled by 4
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