the nth term of the progression 2.3+3.4+4.5
Answers
Answered by
2
a plus (n-1)
a=2. 3
d=1. 1
n=n
a=2. 3
d=1. 1
n=n
Prastab:
The question is what is the nth term,not what is a,d or n
find Tn=
1.2-1.1d is correct
Sorry its 1.1n
Answered by
3
2.3+(n-1)*1.1
= 1.2-1.1n
= 1.2-1.1n
I know
but
answers are n(n+1),n+1(n+2),n(n-1),n-1(n+1)
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