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8. Sequences and Series
easy
પ્રથમ ત્રણ પદો લખો : $a_{n}=2 n+5$
A
$7,9,11$
B
$7,9,11$
C
$7,9,11$
D
$7,9,11$
Solution
Here $a_{n}=2 n+5$
Substituting $ n =1,2,3, $ we get
$a_{1} =2(1)+5=7, a_{2}=9, a_{3}=11$
Therefore, the required terms are $7,9$ and $11 .$
Standard 11
Mathematics