Find the sum of 3+7+11+......so on 10th term
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Hi mate!! Gm❤️
Step-by-step explanation:
a=3 ; d= 7-3= 4
Sn=a+(n-1)d
S10=3+(10-1)4
=3+9×4
=3+36
=39
Therefore sum of 10 terms is , S10= 39
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