Let S₁ = {1-(-1)/n:ne N}. Find inf S, and sup S..

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Q: 2.3 Use the trigonometric forms to compute the products of the complex z = 1+i and w=-1-√√3i. 2.4…

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Q: 2x₁ +4x₂-5x3+7x₁ = 7 x₂-x₂ + x₁ = 0 2.x, +3,-4x, =-7

A: The given equations are as follows 2x1+4x2-5x3+7x4=7x3-x2+x1=02x1+3x3-4x4=-7-x1-x2+2x3+x4=5 Rewrite…

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