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Q.Find out the cube root of 216.A. 8B. 4C. 9D. 6

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In mathematics a cube root of a number x is number ysuch that y3=x....(1)now finding the cube root of the number by prime factorization.from the equation one y3=216y=2163prime factors of are 216 = 2×2×2×3×3×3now assume three time repeating digits as one.as here by assuming each three as one we will get 2and 3.now we should multiply these numbers.2×3 = 6 2163=6which is the cube root of 216 as mentioned.NOTE: whenever you come across this kind of question find out the prime factors of the given number and always assume the three time repeating digit as one and multiply them to get the cube root  of the number 



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