Question: 5. Consider the convection-diffusion equation u+au,=bu, b> 0, a 0 for-1 < <1, Construct a second-order accurate unconditionally stable scheme. Justify your answer by

5. Consider the convection-diffusion equation un tau, =buzz, b>0,2 +0 for-15IS1. Construct a second-order accurate unconditio

5. Consider the convection-diffusion equation u+au,=bu, b> 0, a 0 for-1 <

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