# Question: A Verify algebraically that formula 3 2 for calculating r is

a. Verify, algebraically, that formula (3.2) for calculating r is equivalent to the definition formula (3.1).

b. Verify, algebraically, that formula (3.6) is equivalent to formula (3.5).

b. Verify, algebraically, that formula (3.6) is equivalent to formula (3.5).

## Answer to relevant Questions

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