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182075
23.02.2021 •
Mathematics
Which point in the parabola x^2 is nearest to (1,0)? [Hint: Minimize the square of the distance-- this avoids square roots.]
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Ответ:
In your situation,
f(x) + g(x) = (x/2 - 2) + (2x^2 + x -3)
Now, those parentheses are only there to show you where f(x) and g(x) went/came from.
But to finish simplifying that, you just need to combine like terms.
x + x/2 really means 1x + 1/2 x and that’s 3/2 x.
-2+(-3) = -5
So, you end up with 2x^2 + 3/2 x -5