Question

if the sum of first 8 terms of an AP ​

Answer 1

Answer:

36

Step-by-step explanation:

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

where n = number of terms and a is first term and d is difference so sum of first n natural numbers n=8 a=1 d=1

we get ap= 8/2(2*1+(8-1)*1)= 36