Question

which term of the a.p 53,48,43........is the first negative term

Answer 1

Hey mate here is ur answer ----

AP series ---53,48, 43......

a=53

d=48-53

d=-5(Common difference)

An=a+(n-1)d

53+(n-1)-5

53-5n+5

58-5n...

Let us take n=11

58-5*11

58-55

=3

3 is not negative number so, we will take n as 12

n=12

58-5*12

58-60

= -2

Yes,-2 is the negative number

So, the first negative term is -2

And Term is n=12...And

Hope its helps to u!!!!