Question

write an AP of at least five term with a positive common difference.
(a) find nth term.
(b) Find S5

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Answer 1

Answer:

2,5,8,11,14

Step-by-step explanation:

nth term =a+(n-1)d

d=5-2=3

=2+(n-1)3

s5=2+(5-1)3=14

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Answer 2

Answer:

4, 6, 8, 10, 12.......

a=4

d=2

nth term=4+(n-1)2=2+2n

S5=5/2(4+12)=40