For an given A.P. t7=4,d=-4 then a=. . .
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Answered by
28
t7=4,,,,,D=-4
A=?
we know that ,
Tn=A+(n-1)D,,,
4=A+(7-1)(-4)
4=A-24
A=28......
you can see your answer
A=?
we know that ,
Tn=A+(n-1)D,,,
4=A+(7-1)(-4)
4=A-24
A=28......
you can see your answer
Answered by
6
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