A I think haha
Step-by-step explanation:
Because a has a pattern of 1,-1, 1,-1,1
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A I think haha
Step-by-step explanation:
Because a has a pattern of 1,-1, 1,-1,1
Solution:
The given series is 1,-1,1,-1,1,?
Step by step solution of the sequence is
Here given series is +ve, -ve alternate series. So we consider it only +ve series
New series is : 1,1,1,1,1
∴ The next number for given series 1,1,1,1,1 is 1
Solution-1
Now again adding +ve, -ve alternatively, we get
Answer : -1
∴ The next number for given series 1,-1,1,-1,1 is -1
n
=
a
1
r
n
−
1
to identify the geometric sequence.
a
n
=
(
−
1
)
n
−
1