For the series:
- 5 + ( - 1 ) + 3 + 7 + 11
common difference between the numbers is 4 and a 1 = -5
The series in sigma notation:
4
∑ ( 4 i - 5 )
i =0
Answer:-3,-2,0,1,5
Step-by-step explanation:
Answer:
98
Step-by-step explanation:86+86=172
368-172=196
196/2=98
Answer:
7.
Step-by-step explanation:
Let the number be n, then
7 + √5 = n + √5
As the 2 sides are equal in value, n must be 7.
