a=?,d=-3,n=18,an=-5
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Answered by
6
Answer:
a=46
Step-by-step explanation:
Answer is in the pic.
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Answered by
2
Answer:
46
Step-by-step explanation:
Given:
d= -3
n=18
a(n)= -5
To find 'a';
We know that ,a(n)=a+(n-1)d
-5=a+(18-1)-3
-5=a+(17)-3
-5=a-51
a= -5+51
a=46
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