# Posts by Wellness

Total # Posts: 4

**Algebra**

Consider the algebraic expression E=(2x+y) (5a-b)^3

*November 8, 2009*

**Algebra**

Consider the algebraic expression E=(2x+y) (5a-b)^3

*November 8, 2009*

**Vec & Geo**

Prove that A.(BxC) = (AxB).C

*October 30, 2009*

**Help on Vectors & Geometry**

(a) Given that A= 3i - j + 2k and B=2i + 3j - k find A x B (b) if A= i + j, B= 2i - 3j + k and C= 4j - 3k find (i) (AxB)x C (ii) Ax(BxC)

*October 29, 2009*

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