A) 5.375
B) 1
C) 6
D) 5
Correct Answer: C
Solution :
Let \[\sqrt[3]{3.5}=a\]and \[\sqrt[3]{2.5}=b\] \[\therefore \]Given expression \[=(a+b)({{a}^{2}}-ab+{{b}^{2}})={{a}^{3}}+{{b}^{3}}\] \[={{(\sqrt[3]{3.5})}^{3}}+{{(\sqrt[3]{2.5})}^{3}}=3.5+2.5=6\]You need to login to perform this action.
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