Question

3.Which term of the A.P. 4, 9, 14, 19, …………………is 79 ans pls​

Answer 1

Step-by-step explanation:

A.P \: \: 4 \: 9 \: \: ........79 \\ \\ first \: term \: (a) = 4 \\ last \: term \: (l) = 79 \\ d = 5 \\ from \: \\ l = a + (n - 1)d \\ 79 = 4 + (n - 1) \times 5 \\ n - 1 = 15 \\ n = 16 \\ \\ hence \: sixteen \: term \: will \: be \: 79 \\ \\ hope \: it \: will \: help \: you \: [/tex]

Answer 2

hope it helps you.....