Question

The nth term of the A.P. : 7, 3, -1 …..is given y an = ………..​

Answer 1

AP-     7, 3, -1

a = 7, d = 3-7 = -4

$a_{n}$ = a + (n-1)d

$a_{n}$ = 7 + (n-1)-4

$a_{n}$ = 7 + 4 - 4n

$a_{n}$ = 11 - 4n : Ans

Hope I helped

Answer 2

Answer:

Step-by-step explanation:

a=7;d=-4;an=y

an=a+(n-1)*d

y=7+(n-1)*(-4)

y=7-4n+4

y=11-4n

upto this i know.........

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