Question

the 9th term of the A.P., -15, -11, -7,.....,49 is​

Answer 1

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a=-15

d=-11+15=4

n=9

an=a+(n-1)d

an=-15+(9-1)4

an=-15+(8)4

an=-15+32

an=17 Answer

Answer 2

Answer:

answer is

Step-by-step explanation:

a9=-15+(9-1)4

a9= -15(8)4

a9= -15+32

a9= 17