What is the logarithmic mean of r1 and r2 ?

Chemical Engineering Mcqs

What is the logarithmic mean of r1 and r2 ?

(A)  (r1 – r2)/ln(r1/r2)

(B)  (r1 – r2)/ln(r2/r1)

(C)  (r2 – r1)/ln(r1/r2)

(D)  (r1 – r2)/-ln(r1/r2)

Submitted By :Ali Uppal

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