Question

find first four terms of A.P. whose first term is -3 and common difference -4 and also find tn​

Answer 1

Answer:

First four term are:- -3,-7,-11,-15 & $t_{n}$=-3 + (n-1)-4

Step-by-step explanation:

Given:- $a_{1}$ is -3 and d is -4.

To find:-$a_{2}$,$a_{3}$,$a_{4}$ & find $t_{n}$.

Solution:-

a2=a1+d=-3 +(-4)=-7

a3=a2+d=-7+(-4)=-11

a4=a3+d=-11 +(-4)=-15

$t_{n}$=a +(n-1)d

⇒tn=-3 + (n-1)-4

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