What is the common difference of an AP in which a18 - a14 = 32 ?A. 8B. - 8C. - 4D. 4

As we know, nth term of an AP is

an = a + (n - 1)d

where a = first term

an is nth term

d is the common difference

a18 - a14 = a + 17d - (a + 13d)

32 = 4d

d = 8

so common difference is 8

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