In an AP, if the common difference (d) = -4, and the seventh term
Arithmetic Progressions (10)In an AP, if the common difference (d) = -4, and the seventh term (a7) is 4, then find the first term.
Answer
a + 6(-4) = 4
a = 28
- Exam Year: 2018
In an AP, if the common difference (d) = -4, and the seventh term (a7) is 4, then find the first term.
a + 6(-4) = 4
a = 28