Question

find the smallest number by which 8640 must be divided so that the quotient is a perfect cube also find the cube root of the number so obtained​

Answer 1

Explanation:

factorise 8640

(2×2×2)×(2×2×2)×(3×3×3)×5

it should be divided by 5 to get a cube root.

no. 2×2×3

12

Answer 2

Answer:

HERE IS YOUR ANSWER

Explanation:

 FIRST TAKE THE PRIME FACTORIZATION THEN MAKE 3 PAIRS  EACH LIKE 2 *2*2      3*3*3* * 5  LIKE THIS MAKE

THEN THE NUMBER WHO IS NOT IN THE PAIR OF 3      SIMPLY WRITE  

5 SHOULD BE DIVIDED BY   THE  NUMBER TO MAKE IT A PERFECT CUBE    

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