Math, asked by sharmashubhamak, 1 year ago

if an ap if the d is -4 and the 7th term a7 is 4 then find the first term

Answers

Answered by MilitheQUORAN
4
HEYA!

The answer is in the attachment. Please refer to it.

Formula used- An = A + (n - 1) D

Hope this helps mate!
Attachments:
Answered by dharani4444
4
d=-4
T7=4
a=?
T7=a+6d
4=a-24
a=28
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