A) 3
B) 4
C) 9
D) 7
Correct Answer: A
Solution :
(a) \[3087=3\times 1029\] \[=3\times 3\times 343\] \[=3\times 3\times {{7}^{3}}\] If we multiplying by 3, We have \[{{3}^{3}}\times {{7}^{3}}\] perfect cube. Ans = 3.You need to login to perform this action.
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