The Arithmetic Mean (A.M.) of two numbers (a) and (b) is (\dfrac{a+b}{2}).
If (n) A.Ms are inserted between (a) and (b), the common difference is (d=\dfrac{b-a}{n+1}).
The Arithmetic Mean (A.M.) of two numbers (a) and (b) is (\dfrac{a+b}{2}).
If (n) A.Ms are inserted between (a) and (b), the common difference is (d=\dfrac{b-a}{n+1}).