find the terms of a7 and a10 if an = 2nsquare-3n+1
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Answered by
7
Answer:
S1=2×1^2+3×1
=2+3
=5
a=5
s2=2×2^2+3×2
=8+6
=14
t2 =14-5
=9
d =t2-t1
=9-5
=4
t16 =a+15d
=5+15×4
=5+60
=65
I hope it will help you!!!!
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