# If a ⃗=(0,1 ,-1) and c ⃗= (1, 1, 1) are given vectors, then find a vector b ⃗ satisfying a ⃗×b ⃗+c ⃗

Feb 3rd, 2012
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If a ⃗=(0,1 ,-1) and c ⃗= (1, 1, 1) are given vectors, then find a vector b ⃗ satisfying a ⃗×b ⃗+c ⃗ = 0 and a ⃗ .b ⃗ = 3.

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Answer on Question #44086 Math - Complex AnalysisProblem.If (1+x+x^2)^n = a_0+a_2 x^2+ ------ +a_2n x^2n then prove that a_0+a_3+a_6+ ----- = 3^(n-1).Remark.I suppose that part of question is missed. The correct statement isIf (1 + + 2 ) = 0 + 1 + 2

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