Question

is 125 a term of the AP 3,8, 13
​

Answer 1

Step-by-step explanation:

No it's not.

Solve with formula

Answer 2

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an = a + (n - 1)d

here,

• a = 3
• d = 5
• an = 125

➪ 125 = 3 + 5n - 5

➪ 125 = 5n - 2

➪ 5n = 125 + 2

➪ n = 127/5

➪ n = 25.4

so,

• no 125 is not a term of this AP