Find the 20th term of A.P. 35, 50, 65, 80
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Answered by
4
Answer:
in this series
first term = a = 35
common difference = d = 15
term n = a + ( n - 1 ) d
=> term 20 = 35+ ( 19 ) 15
=> term 20 = 34+285
=> term 20 = 319
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Answered by
7
Answer:
20th term =320
Step-by-step explanation:
a=35
d=15
20th term = a+19d
=35+19×15
=35+285
=320
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