Evaluate 23 cube- 17 cube
Answers
Answered by
22
Answer:. 23 cube = 12167
17 cube = 4917
23 cube - 17cube = 12167 - 4917 = 7254
If wrong plzzz tell me
piyush123ng:
Thank you it's right
actually u did it wrong
you have to evaluate it using formula u just solved it
OK thanks for the help
Answered by
66
Pretty easy.
(23)³-(17)³
[∵a³-b³ = (a-b)(a²+ab+b²)]
⇒(23-17)[23²+(23)(17)+17²]
⇒6×(529+391+289)
⇒6×1209
= 7254
There u have it. hope it helped. Can i get brainliest??
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