Question

For a.p if t3 =6 and d=-3 find its general test

Answer 1

Answer:

15-3n

Step-by-step explanation:

t3=6

t3=a+2d

6=a+2×-3 => -6

6+6=a

a=12

tn=a+(n-1)d

tn=12+(n-1)-3

tn=12-3n+3

tn=15-3n

hope it helps :)