Question

4. Write first four terms of the progression whose n'
term is given by: a,=(-1)" 31+1
(2)​

Answer 1

Answer:

$a1 = ( - 1) \times 1 \times 31 + 1$

$a1 = - 30$

$a2 = - 61$

$a3 = - 92$

$a4 = - 123$