4. Determine the solutions in vector form for Ax = 0. 2 1 5 ----- (a) A = -1 1 -1 Sol'n 1 1 3 [1 (b) A = 2 3 -1 0 1 3 -2 7 10

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Q: 3) sinhz = z *, 8WJ ทรู) 2n 3 (en-j

A: We know,        sinh(z) = (ez - e-z)/2 Now,        ez = 1 + z + z2/2! + z3/3! + z4/4! + z5/5! + . .…

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