In an Arithmetic Progression, if A1 = 28, d = -4, n = 7, then aa is ______?
- 5
- 3
- 4
- None of these
Explanation
Given:
A1 = 28 (first term)
d = -4 (common difference)
n = 7 (number of terms)
To find the nth term (an), use the formula:
an = a + (n-1)d
an = 28 + (7-1)(-4)
= 28 + 6(-4)
= 28 - 24
= 4
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- None of these
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