in an Ap the common defference (D) and 7term (a7) is 4 then find the first term
bobby55:
d=4 a+6d=4,then replace 4 in the place of d ,then a+6×4=4,a+24=4,a+20=0, a=-20
Answers
Answered by
1
7th term = a+6d
4 = a + 6×4
4 -24 = a
a = -20
so A.P. FIRST TERM IS -20
♣ hope it can help you ♣......
4 = a + 6×4
4 -24 = a
a = -20
so A.P. FIRST TERM IS -20
♣ hope it can help you ♣......
s it is correct
Similar questions