Math, asked by abhinavbathla09, 10 months ago

Q.20. Find whether -150 is a term of the AP 17, 12, 7, 2……

Answers

Answered by anjalikumari1642
1

Answer:

a=17, d=-5

an=a+(n-1)d

-150=17(n-1)×-5

-150-17=(n-1)×-5

-167=(n-1)×-5

(n-1)=167/5

n=167/5+1

n=172/5

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