if an = 3n+5 is nth term of ap then 10th term is a) 35 b) 53 c) 38
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The answer of this question:
The tenth term is 35
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Step-by-step explanation:
an=a+(n-1)d
given: an=3n+5
If A1=3(1)+5
=3+5
= 8
If A1=3(2)+5
=6+5
=11
common difference=A2-A1
=11-8
=3
So, the 10th term of the AP is...
an=a+(n-1)d
a10=a+(10-1)d
a10=a+9d
a=8, d=3
a10=8+9*3
=8+27
=35
Therefore, 10th term of the AP is 35
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