is -150 a term of the AP 17,12,7,2
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Answered by
3
Step-by-step explanation:
a=17
d=-5
tn=a+(n-1)d
-150=17+(n-1)-5
-150=17+5n+5
-150=22+5n
-150-22=5n
5n=-172
n=-172/5
n cannot be negative
no it is not
Answered by
1
Answer: nope
Step-by-step explanation:
Ap=17,12,7,2...
a=17
d=12-17=-5
an=-150
an=a+(n-1)d
-150=17+(n-1)-5
-150-17=-5n+5
-167=-5n+5
-167-5=5n
-172=5n
n= -172\5=-34.4
It cannot be a term because ...
we know that n is the number of terms and we also know that no: of terms cannot be in decimal or in fraction
hence, -150 is not a term of the AP 17, 12,7,2
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