5/6 * 1200/1 = 6000/6
6000/6 = 1000
Alexander pay $1000 for the computer.
Answer:
0.1
Step-by-step explanation:
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I think you mean to find b in terms of the constants a, c and d.
(x + a ) / b - c = d
(x + a) / b = c + d
Cross multily:-
x + a = b(c + d)
b = (x + a) / (c + d)
The quickest way to get the series is if you already know the series for sine:

Then just multiply the series by
to get

The first four nonzero terms are simply the first four terms:
