Question

Find the sum of first 24 terms of Ap where nth term is given by l = 3+2n

Answer 1

JvdryhggffffffffgfaudwrfszfbkkivcdsrhSorry fy

Answer 2

Value of 1st term=3+2(1)=5
a=5
Value of 2nd term=3+2(2)=7
d=7-5=2
Sum of 24 terms= 12(10+15*2)
Answer=480