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Niharika Pokle , asked a question
Subject: Math , asked on 7/10/12

what is formula of a3+b3

Amitesh Kumar , added an answer, on 4/11/12
27 helpful votes in Math

a3+b3 = (a+b)3-3ab(a+b)

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ranjit2me... , added an answer, on 14/4/11
15 unhelpful votes in Math

please explain how a3+b3= (a+b)(a2-ab+b2)  and

a3-b3= (a-b)(a2+ab+b2

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Tamojit , added an answer, on 4/10/12
13 unhelpful votes in Math

a3+b3= (a+b)(a2+b2-ab)

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42% users found this answer helpful.
Certified by MeritNation Expert

CERTIFIED ANSWER

Kanwar Preet , added an answer, on 21/12/12
260 helpful votes in Math

a3+b3=(a+b)(a2+b2-ab)

This conversation is already closed by Expert

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72% users found this answer helpful.
Kirti Gupta , added an answer, on 13/11/09
10 unhelpful votes in Math

3a+3b+3ab(a+b)

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Pralish Kayastha , added an answer, on 14/6/12
8 helpful votes in Math

a3 - b = (a-b) (a 2 +ab+b2)     (multiply these to expression)

  =a3+a2b+ab2-a 2 b+ab2-b3  (+a2b-a 2 b=0  +ab2+ab2= 0  )

  =a3-b3

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Swathi , added an answer, on 9/8/10
9 unhelpful votes in Math

a^3+b^3=(a+b)(a^2-ab+b^2)

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Shivani , added an answer, on 7/10/12
194 helpful votes in Math
  • HERE IS D ANS GIVEN BY MERITNATION EXPERT...!!!
  • a3+b3 = (a+b)3-3ab(a+b) >>>This one is the formula for Expanding only...

    a3-b3 = (a-b)3+3ab(a+b)

    AND

     

    a3+b3 = (a+b) (a2-ab+b2) >>>This is the formula for FACTORISING....

    a3+b3 = (a-b) (a2+ab+b2)

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Gifty Singla , added an answer, on 12/11/09
22 unhelpful votes in Math

a3+b3+3ab(a+b)

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33% users found this answer helpful.
Biswasrichandra , added an answer, on 8/9/12
16 unhelpful votes in Math


(a+b) ( a2 - ab - b2)
 

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Swapnil Gupta , added an answer, on 3/9/10
22 helpful votes in Math

 a3+b3=(a+b)(a2-ab+b2)

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59% users found this answer helpful.
ranjit2me... , added an answer, on 14/4/11
15 unhelpful votes in Math

please explain in brief of formula a3+b3 and a3-b3

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Asha Satyawali , added an answer, on 6/6/12
21 unhelpful votes in Math

 plzzz ans. this ques.

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Neha Dhyani , added an answer, on 3/3/11
8 unhelpful votes in Math

a3 + b3 = (a+b) (a2+ b2 -ab)

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Shishir Puttur , added an answer, on 22/9/12
31 unhelpful votes in Math

 can u tell me d ans in terms of alpha and beta..

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Atharva Korde , added an answer, on 16/11/09
3 helpful votes in Math

a3+b3=(a+b)(a2-ab+b2)

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52% users found this answer helpful.