Question

how many terms are there in AP 41, 38, 35 ......... 8​

Answer 1

Answer:

d=a2-a1

=38-41

=-3

therefore

common difference =-3

Step-by-step explanation:

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Answer 2

AP : 41, 38, 35 ......... 8

first term, a = 41

common difference, d = 38 – 41 = –3

Last term, an = 8

an = a + ( n – 1 )d

8 = 41 + ( n – 1 ) – 3

8 – 41 = – 3n + 3

– 33 = – 3n + 3

– 33 – 3 = – 3n

– 36 = – 3n

n = 36/3

n = 12

Ans : There are 12 terms in the AP