Question

check whether -150 is a term of the AP : 11, 8, 5, 2....​

Answer 1

Answer:

An=a+(n-1)d

-150=11+(n-1)-3

-161= -3n+3

-3n=-161

n=-161/-3

since n is not an integer -150 is not a term...

Step-by-step explanation:

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Answer 2

Answer:

- 150 is not an term of AP:11 8 5

Step-by-step explanation:

tn = a + (n-1)*d

-150= 11 + (n-1) *-3

-150-11= + (n-1)*-3

-161=(n-1) *-3

-161\-3= (n-1)

there fore answer will be recurring

thence it is not an term if AP