find the 20th term of an ap 35,50,65,80.
pls quick!!! urgent!
Answers
Answered by
6
Step-by-step explanation:
a=35,
d= t2-t1 = 35-50= 15
we know that,
tn=a+(n-1)d
t20= 35 + (20-1)*15
=35 +(19)*15
= 35 +285
=320
20th term of given AP is 320
Answered by
29
Answer:
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