Question

Find the 19th term of the A.P. 7, 13, 19, 25, .......... .

Answer 1

Answer:

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Answer 2

Answer:

a (first term ) = 7 

d (common difference) = t2 -t1 = 13-7 = 6 

n = 19 

tn = a + ( n - 1 ) d 

t19 = 7 + ( 19 - 1 ) 6 

t19 = 7 + 108

t19 = 115 Answer