which term of an AP 5, 2, - 1.... will be- 22
Answers
Answered by
34
a=5
d=2-5=-3
an=-22
We know
an= a+(n-1)d
-22=5+(n-1)(-3)
-27=-3n+3
-27-3=-3n
-30=-3n
n=10
d=2-5=-3
an=-22
We know
an= a+(n-1)d
-22=5+(n-1)(-3)
-27=-3n+3
-27-3=-3n
-30=-3n
n=10
Answered by
9
Hi !
the ap is :-
5,2,-1 ...
a = 5
d = -3
an = -22
an = a + (n-1)d
-22 = 5 + (n-1)-3
-27 = (n-1)-3
9 = n - 1
n = 10
10th term will be -22
the ap is :-
5,2,-1 ...
a = 5
d = -3
an = -22
an = a + (n-1)d
-22 = 5 + (n-1)-3
-27 = (n-1)-3
9 = n - 1
n = 10
10th term will be -22
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