Question

10th of an arithmetic sequence is 30 and common difference is 4 find the 1st term

Answer 1

given ,

a10 => 30 = a + 9d

      => 30 = a + 9(4)

       =>30 - 36 = a

        => -6 = a ; which is the required first term

HOPE THIS HELPS YOU

PLEASE MARK THE BRAINLIEST

Answer 2

Answer:

use n term = a + ( n-1) d

then we get by putting n=10

we get a= -6

hope u understand it

plz mark it brainliest

plz follow me