find the nth term of -15, -18 ,-21 ,....
dream:
faastt.pls....
Answers
Answered by
8
here a= -15
d=t2-t1=-18-(-15)=-3
tn=a+(n-1)d
=-15+(n-1)(-3)
=-15-3n+3
=-12-3n
ans tn= -12-3n
d=t2-t1=-18-(-15)=-3
tn=a+(n-1)d
=-15+(n-1)(-3)
=-15-3n+3
=-12-3n
ans tn= -12-3n
Answered by
1
Answer:
an=a+(n-1)d
an=-40+(5-1)3
an=-40+12
an =-28
Similar questions