Ifa = 1 ,r= -2 find t4

1.	Ifa = 1 ,r= -2 find t4
Answer» $a = 1 \\ d = - 2 \\ n = 4 \\ a4 =$ $an = a + d(n - 1) \\ a4 = a + 3d \\ = 1 + 3( - 2) \\ = 1 - 6 \\ = - 5$ HOPE it HELPS. THANKS.

Answer»

$a = 1 \\ d = - 2 \\ n = 4 \\ a4 =$

$an = a + d(n - 1) \\ a4 = a + 3d \\ = 1 + 3( - 2) \\ = 1 - 6 \\ = - 5$

HOPE it HELPS.

THANKS.

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Ifa = 1 ,r= -2 find t4​

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Ifa = 1 ,r= -2 find t4