Question: Please answer the following questions : a. Explain each term of the following multi-group diffusion equation : b. Rewrite this equation using the removal cross

Please answer the following questions : 

a. Explain each term of the following multi-group diffusion equation : 

g-1 -D,V'0, +E = %3D g- h=g+1 ag Tg h=1

b. Rewrite this equation using the removal cross section rather than absorption cross section. 

c. Write down the two-group diffusion equation using the answer of b

g-1 -D,V'0, +E = %3D g- h=g+1 ag Tg h=1

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