Math, asked by manasitiwari, 7 months ago

The sum of first 47 terms of the series
1/4+1/5-1/6-1/4-1/5+1/6+1/4+1/5-1/6.....is

Answers

Answered by adilloan1

1

Step-by-step explanation:

a = 1/4

d = 1/5- 1/4

= 1/20

n = 47

Sn = n/2(2a + ( n-1)d)

= 47/2 × (1/2 + 23/10)

= 47/2(28/10)

= 329/5

Answered by nikamjyoti851

1

Answer:

329/5 is the answer are you happy

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