WAEC - Mathematics (1990 - No. 9)
Find the 4th term of an A.P, whose first term is 2 and the common difference is 0.5
0.5
2.5
3.5
4
4.5
설명
\(U_{n} = a + (n - 1)d\)
\(U_{4} = 2 + (4 - 1) \times 0.5\)
= \(2 + 1.5\)
= 3.5
\(U_{n} = a + (n - 1)d\)
\(U_{4} = 2 + (4 - 1) \times 0.5\)
= \(2 + 1.5\)
= 3.5