Math, asked by aasa9403, 5 months ago

Find 20th if the 1st term is 3 and the last term is 253 .ap =3,8,13,.....253

Answers

Answered by Anonymous

2

Answer:

an = a + (n-1) d

a20 = 3 + (20-1) 5

= 3+95

= 98

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