find the nth term of given arithmetic progression A.P=3,1,-1,-3,-5......
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Hello there
nth term of any AP can be given by
T(n) = a + (n-1)d
Here
a= 3
d= 1-3= -2
Therefore
T(n) = 3 + (n-1)×-2
T(n) = 3 + -2n + 2
T(n) = 5 - 2n
nth term of any AP can be given by
T(n) = a + (n-1)d
Here
a= 3
d= 1-3= -2
Therefore
T(n) = 3 + (n-1)×-2
T(n) = 3 + -2n + 2
T(n) = 5 - 2n
Dhruv00:
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can't we find value of n?
no u can only find the value of any term of that ap
say u want to find the 10th of that ap
putting n= 10 ,we get T(10)= 5- 10×2= -15
okay got it , tnx
understood?
yes..,tnx again
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