In A.P third term is 5 and 7th term is 9 then the first term is
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anand782000:
mark as brainliest please..
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5th = a + 2d=5-------1
7th =a + 6d=9--------2
Subtract 1 from 2
6d-2d=4
d= 1
Then a=5-2=(3)
7th =a + 6d=9--------2
Subtract 1 from 2
6d-2d=4
d= 1
Then a=5-2=(3)
bro make a+ 2d =5..
we are asked about 3rd term
its ok bhai...
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