Question

The 9th term frI'm end of the Ap 7,11,15...147 is

Answer 1

Answer:

your right answer is in attachment

Answer 2

$a = 7 \\ d = a _2 - a_1 \\ d = 11 - 7 \\ d = 4$

$a_9 = a + 8d \\ a_ 9 = 7 + 8(4) \\ a_9 = 7 + 32 \\ a_9 = 39$