find 16th term of an AP if sum of first nth term is Sn=2n2+3n
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The 16th term is 112
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T1=S1=2 (1)+3 (1)
=5
s2=2 (2×2)+3×2
=2×4+6
=8+6=14
T2=s2-s1
=14-5
=9
required ap=5,9,13...........
a=5,d=4
T16=a+15d
=5+15×4
=5+60
=65
hope this helps u. plzz mark as brainliest.
=5
s2=2 (2×2)+3×2
=2×4+6
=8+6=14
T2=s2-s1
=14-5
=9
required ap=5,9,13...........
a=5,d=4
T16=a+15d
=5+15×4
=5+60
=65
hope this helps u. plzz mark as brainliest.
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