haleyrene3924
19.02.2021 •
Mathematics
Write an explicit formula for An, the nth term of the sequence 7, 42, 252, ...
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Ответ:
Step-by-step explanation:
This is a geometric progression.
Givens
a1 = 7
r = 6
Formula
a_n = a1 * r^(n - 1)
a_n = 7 (6)^(n - 1)
Sample
Try n = 3
a_3 = 7*(6)^(3-1)
a_3 = 7*(6)^2
a_3 = 7 * 36
.a_3 = 252 which is exactly what it should be.
Ответ:
The given statement is "True"
Step-by-step explanation:
The right angle triangle is shown below:
The tangent value of an angle is given by the expression as shown below: