Find (4+√15)^3+(4-√15)^3
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Answered by
1
the answer of the question you asked is 16 for checking you can check it in the calculator because I am not that sure of the answer
Chandransh:
Hege
I think the answer would be 488. use (a+b)³+(a-b)³=2a³+6ab²
Answered by
1
488 should be! u should try it to solve . not so hard!
Can you say me how
Please show me the calculation
what should we do after rationalising this
look at the comments .. i have explained!
or msg me! I'll explain
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