Question

2. A sequence whose nth term is -2n-3/6
. Find the
first five terms.
(NCERT)​

Answer 1

Step-by-step explanation:

$an = - 2n - \frac{3}{6} \\ (1) = - 2 - \frac{1}{2} = \frac{ - 5}{2}$

$(2) = - 4 - \frac{1}{2} \\ = \frac{ - 9}{2}$

$(3) = - 6 - \frac{1}{2} \\ = \frac{ - 13}{2}$

$(4) = - 8 - \frac{1}{2} \\ = \frac{ - 17}{2}$

$(5) = - 10 - \frac{1}{2} \\ = \frac{ - 21}{2}$