identities of polynomials
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Step-by-step explanation:
Here are some most commonly used identities of polynomials:
- (a + b + c)2 = a2 + b2 + c2 + 2ab + 2bc + 2ca.
- (a + b)3 = a3 + 3a2b + 3ab2 + b. ...
- (a − b)3 = a3 − 3a2b+ 3ab2 − b. ...
- (a)3 + (b)3 = (a + b)(a2 − ab + b2)
- (a)3 − (b)3 = (a − b)(a2 + ab + b2)
- (a)3 + (b)3 + (c)3 − 3abc = (a + b + c)(a2 + b2 + c2 − ab − bc−ca)
Answered by
20
Answer:
- Here are some most commonly used identities of polynomials:
- (a + b + c)2 = a2 + b2 + c2 + 2ab + 2bc + 2ca.
- (a + b)3 = a3 + 3a2b + 3ab2 + b. ...
- (a − b)3 = a3 − 3a2b+ 3ab2 − b. ...
- (a)3 + (b)3 = (a + b)(a2 − ab + b2)
- (a)3 − (b)3 = (a − b)(a2 + ab + b2)
- (a)3 + (b)3 + (c)3 − 3abc = (a + b + c)(a2 + b2 + c2 − ab − bc−ca)
hope it helps you
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