Question

write an A.P whose first term a=-9 and common difference d=3​

Answer 1

Step-by-step explanation:

a = 9 d = 3

a + d = 9 + 3 =12

a + 2d = 9 + 2(3)

= 15

a+ 3d = 9 + 3(3)

= 18

a + 4d = 9 + 4(3)

= 21

:. the required A. P. is 9, 12 , 15 ,18 , 21.........

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