What is the equation of a circle with a center located at (4, -1) and a radius of 9?
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Answer:
the common difference is 6.
Step-by-step explanation:
Given;
first term of an AP, a = -7
let the common difference = d
The third term is written as;
T₃ = a + 2d
The eight term is written as;
T₈ = a + 7d
The ratio of the eight term to third term = 7:1
Therefore, the common difference is 6.
How to solve it is shown with the process of Substitution in the following pictures. (The steps are listed in order from the first picture to the second picture.)
Hope this helps!
