Question

2) Find the sum of 7, 11, 15, 19,.. p .. up to 60 terms​

Answer 1

Answer:

a = 7

d = 11 - 7 = 4

n = 60

Step-by-step explanation:

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

s60 = 60/2 + 2(7) + ( 60 - 1 ) 4

s60 = 30 + 14 + 59x4

s60 = 44 + 236

s60 = 280

sum of 60terms are 280

tq..

i hope it help u