Question

how many terms are there in AP ? 5 8 11...125​

Answer 1

Answer:

a = 5

d = 3

an = 125

n = ?

an = a + (n-1) d

125 - 5 = (n-1) d

120/3 = n-1

40 = n - 1

n = 41

Answer 2

Answer:

there are 41 terms in this AP

Step-by-step explanation:

125=5+(n-1) 3

120=(n-1)3

n-1=40

n=41

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