The nth term of a pattern of numbers is 2n2+1 is the pattern of numbers so formed. If so find its AP.
Answers
Answered by
0
Answer:
ANSWER
Given,
a
n
=2n+1
a
1
=2(1)+1=3
a
2
=2(2)+1=5
a
3
=2(3)+1=7
and so on,
The A.P. series follows as,
3,5,7,10,.........
a=3
d=5−3=2
a
12
=a+(12−1)d
=3+(12−1)2
=25
Answered by
2
Step-by-step explanation:
given tn=2n2+1
t1=2(1)^2+1
t1=2+1
t1=3
t2=2(2)^2+1
t2=8+1
t2=9
t3=2(3)^2+1
t3=18+1
t3=19
t4=2(4)^2+1
t4=32+1
t4=33
AP:3,9,19,33,............
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