Let the first term be a
Given, a = -5
d = 10
So, we need to find next three terms i.e. second, third and fourth terms.
[tex]Using \: formula \: = > a_{n} = a + (n - 1)d[/tex]
[tex]a _{2} = - 5 + (2 - 1)10 \\ = - 5 + 10 = 5 \\ a _{3} = - 5 + (3 - 1)10 \\ = - 5 + 20 = 15 \\ a _{4} = - 5 + (4- 1)10 \\ = - 5 + 30= 25 [/tex]
Hope this helps :)
