1/2,2/5,8/25,.... find the 4th term in this A.P.
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Answered by
0
Answer:
(I) 2,221,331,...
=12,25,310,...
⟹These are in the form of
Tn=n2n+(n−1)
∴T4=424+(4−1)=416+3=419
(II) 2,221,3,...
This is an AP with
a=2;d=21
∴T4=a+(4−1)d
=2+3×21=2+23=2
Answered by
0
Answer:
(1) 2,221,331,...
=12,25,310,...
→These are in the form of
Tn=n2n+(n-1)
..T4=424+(4-1)=416+3=419
(II) 2,221,3,...
This is an AP with
a=2;d=21
..T4=a+(4-1)d
=2+3x21=2+23=2
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