A) 2368
B) 1529
C) 2068
D) 1638
Correct Answer: A
Solution :
(a): \[x+y=28.\] \[x-y=4\] \[\Rightarrow x=16,y=12\] \[{{x}^{3}}-{{y}^{3}}={{16}^{3}}-{{12}^{3}}\] \[=4096-1728\] \[=2368\].You need to login to perform this action.
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