Question

find the mth term of AP:-1,-3,-5.....​

Answer 1

Step-by-step explanation:

1,3,5,7,9,... are in A.P First term=a=1 Common differenced=3−1=2 nth term=tn=a+(n−1)d t n=1+(n−1)2=1+2n−2=2n−1 ∴nth term is .

Answer 2

1-2m

Step-by-step explanation:

an = a+(n-1) d

Here a= -1; d = -2

am = a+(m-1) d

am = -1+(m-1) -2

-1 -2m+2

am = 1-2m

mth term = 1-2m

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