in the progression .which will be the first negative term
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hey,friend
to find the first negative term, you have to some procedure. I.e,
Tn must be less than 0.
or
Tn<0
a+(n-1)<0
20+(n-1)-3/4<0
20-3/4n+3/4<0
83/4-3/4n<0
-3/4n<-83/4
n<83/3
n<27.7
Here we get,n<27.7
hence the first negative term=26 Ans.
Be ☺️
to find the first negative term, you have to some procedure. I.e,
Tn must be less than 0.
or
Tn<0
a+(n-1)<0
20+(n-1)-3/4<0
20-3/4n+3/4<0
83/4-3/4n<0
-3/4n<-83/4
n<83/3
n<27.7
Here we get,n<27.7
hence the first negative term=26 Ans.
Be ☺️
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