In an Arithmetic sequence Xn= -n+3 .
Find
a) 1st term,X1 ?
b) Common difference,d ?
c) 30th term,X30 ?
Answers
Answered by
0
Answer:
b
Step-by-step explanation:
the common diffence d
Answered by
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Answer:xn=-n+3
a)X(1)=-1+3=2(1st term)
b)common difference(d)=a(n)-a(n-1)=-27-(2)=-29
Henge the common difference is -29
Therefore, a(n) is the considered as 1st term ,n a(n-1) considered as the last term
C)X30=-30+3=-27(30th term or last term)
Step-by-step explanation:
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