The sum of first n ap is given by sn=3n2-4n determine the ap and the 12 term
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11
Answer:
2,4,6,8,........................................n
Step-by-step explanation:s1
sn=(3*2*n)-4n
=> sn=2n
s1=2
s2=4
s3=6
s4=8
therefor A.P. formed :2,4,6,8,............................. ....... n
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35
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