Editor
Editor
 Sep 18, 2022
0
If 1/a, 1/b and 1/c are in (a)P., then the common difference is
Difficulty: Easy
A: 
a-b/2ab
B: 
b-c/2bc
C: 
a-c/2ac
D: 
c-a/2ac
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NETNUST Entry TestMathematicsSequence and Series