The first term of the a sequence equals 3. Each term in the sequence can be obtained by adding 2 from three times the value of t
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Answer:
Step-by-step explanation:
First, rewrite the given equation in the form of y=mx+c.
m is the gradient while c is the y-intercept.
3x-5y=8
5y= 3x -8
Thus, the gradient of the given equation is ⅗.
The product of the gradients of perpendicular lines is -1.
(gradient of line)(⅗) = -1
gradient of line= -1 ÷⅗
gradient of line=
To find the value of c, substitute a coordinate.
When x=3, y=7,
7= -5 +c
c= 7+5
c= 12
Hence, the equation of the line is .
To find the sum:
Therefore the answer is a^3+12a^2+14a+5.
Hope it helps!
Therefore the answer is a^3+12a^2+14a+5.
Hope it helps!