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Back substitution always starts from the(a) Lower right corner(b) Middle of corner(c) Upper right corner(d) Last rowI had been asked this question during an online exam.I need to ask this question from Tridiagonal Matrix Method for Material Balances topic in division Rigorous Distillation Calculations of Distillation Design

Answer» RIGHT CHOICE is (a) Lower right corner

The BEST explanation: Back substitution ALWAYS starts from the lower right corner and all elements are CONSIDERED as the bottom to top approach method.


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