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10 questions
What is the formula for finding the value of the $n^{th}$ term of an AP?
$T_n=a-\left(n+1\right)d$
$T_n=d+\left(n-1\right)a$
$T_n=a+\left(n+1\right)d$
$T_n=a+\left(n-1\right)d$
Given the AP 5, 8, 11, ... , which term has the value of 272?
88
89
90
91
The 7^{th} term of an AP is 3 times the 2^{nd} term, find a relation between a and d.
$a=\frac{3}{2}d$
$a=\frac{2}{3}d$
$a=\frac{1}{2}d$
$a=3d$
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