if an ap if the d is -4 and the 7th term a7 is 4 then find the first term
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Answered by
4
HEYA!
The answer is in the attachment. Please refer to it.
Formula used- An = A + (n - 1) D
Hope this helps mate!
The answer is in the attachment. Please refer to it.
Formula used- An = A + (n - 1) D
Hope this helps mate!
Attachments:
Answered by
4
d=-4
T7=4
a=?
T7=a+6d
4=a-24
a=28
T7=4
a=?
T7=a+6d
4=a-24
a=28
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