in an arithmetic progressions, if d=-4,n=7,an=4,then find a.
Answers
Answered by
1
Answer:
28
Step-by-step explanation:
an=a+(n-1)d
4=a+(7-1)-4
4=a-24
4+24=a
28=a
a=28
Answered by
0
Answer:
a=28
Step-by-step explanation:
Because an=a+(n-1)d
So,4=a+(7-1)x-4
a+(-24)=4
a=4+24=28
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