If T1=1 and Tn+1=Tn-n
We have to find first four terms if following sequences
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T₁ = 1
Tn+1 = Tn - n
from above
T₂ = T₁ - 1 = 0
T₃ = T₂ - 2 = -2
T₄ = T₃ - 3 = -5
T₅ = T₄ - 4 = -9
these are 4 terms
hope this helps
Tn+1 = Tn - n
from above
T₂ = T₁ - 1 = 0
T₃ = T₂ - 2 = -2
T₄ = T₃ - 3 = -5
T₅ = T₄ - 4 = -9
these are 4 terms
hope this helps
parisakura98pari:
did u get the answer vidushi?
Yes it's same as given in book
its alright then
But can u explain me how did we get answers
just putting n = 1,2,3,4,5.............
I mean how come T3 =T2-2 =-2 how did we get -2 pls tel me
its given A/Q .... if n = 2 then n+1 gonna be 3 and we already have T2 = 0 from above therefore T3 = 0 - 2 = -2 ....got it?
Thank you so much yes I got it if -2-3 that wil be -5 then thnks a lot for help
good ....ur welcome
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