Q 1419580419.     If `a, b, c` are in `HP`, then `log_e(a +c)+ log_e(a - 2b +c)` is equal to ....

A

`2 ln | a-b|`

B

`2 ln | a-c|`

C

`2 ln | b-c|`

D

`2 ln | a+c|`

HINT

`log_e(a +c)+ log_e(a- 2b +c)= log_e{(a + c) (a- 2b +c)}`
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