Question

find the first negative term of the
series Tn=50-7n

Tn<0
50-7n<0
-7n<-50
n<-50/7
n>7.14

Answer 1

so 50-7(7)
=1

but the answer is -6

Answer 2

1 is a negative number?

Answer 3

nooo

Answer 4

actually you dont need to wrk out anything in this question

Answer 5

what?

Answer 6

@Ayeshaafzal think like this we need 50-7n to be negative

for n=7 we get 1>0
so then put n=8 what do you get ??

Answer 7

..........?

Answer 8

i dont know

Answer 9

i didnt get

Answer 10

what there is barely nothing left to do!! just put n=8 in the equation

Answer 11

tell me what you get as Tn

Answer 12

you donot know multiplication , addition etc?

Answer 13

ohhhh k i get it -6

Answer 14

:)