(10x + 99x - 5) divided by (x + 10)=
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First, Look at the attached picture as a reference.
Now, using Pythagoras theorem,
Now, lets find the elevation of the sun.
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∴ The elevation of the sun is 30°
Now, using Pythagoras theorem,
Now, lets find the elevation of the sun.
<span> </span>
∴ The elevation of the sun is 30°
Given polynomial .
(a) To show that (x – 3) is a factor of f(x).
Factor theorem:
<em>A polynomial f(x) has a factor of (x – a), if and only if f(a) = 0.</em>
= 0
f(3) = 0
Hence (x – 3) is a factor of f(x).
(b)
Here is common in first 2 terms and 2 is common in next 2 terms.
Now, (x – 3) is common in both terms.
and
x = 3 and
3 is the real root.
using quadratic formula solve and find the other roots.
These are complex roots.
Hence 3 is the only real root of the equation f(x) = 0.