olalateef46 olalateef46

07-09-2020
Mathematics

contestada

the fourth term of an AP is 13 and the second term is 3 find the common difference

Respuesta :

mhanifa mhanifa

07-09-2020

Answer:

5

Step-by-step explanation:

Given

In and AP

a4 = 13
a2 = 3
d = ?

Solution

Formula for the terms of AP:

a4 = a + 3d
a2 = a + d

The difference of terms:

a + 3d - (a - d) = 13 - 3
2d = 10
d = 5

Answer Link

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