Question

(1/7-1/log7)-(1/7-1/log8)+(1/7-1/log9)-____

Answer 1

Step-by-step explanation:

(1/7-1/log7) - ( 1/7-1/log8) +( 1/7 - 1/log9) - ......+.

if number of terms is even

=>. X= (1/log8+1/log10+1/log12+--+-) - ( 1/log7+1/log9+......)

iif n is odd

=> X+1/7

where X is sum up to even terms.