Find the 30th term of the arithmetic series 3, 7, 11, 15...

drobtinicnu

drobtinicnu

Answered question

2022-09-10

Find the 30th term of the arithmetic series 3, 7, 11, 15...

Answer & Explanation

Cristian Delacruz

Cristian Delacruz

Beginner2022-09-11Added 13 answers

S={3,7,11,15....} , first term is a=3 , common difference
is d=7−3=4; n th term is t n = a + ( n - 1 ) d ; n = 30
t 30 = 3 + ( 30 - 1 ) 4 = 3 + 116 = 119
30 th term is 119 [Ans]

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