What's the 1" step we do to find mins and maxes? How do we solve quadratic questions when they're not factorable? The graph below is that of a function f(x)= az + bæ? + cz + djwhere a, b, c, d are constants. Show that the z-coordinates of the two marked points are given by the formula -bt V-3ac 3a This is like a proof - you're given a problem and the answer, and you need to show WHY it's the answer.
What's the 1" step we do to find mins and maxes? How do we solve quadratic questions when they're not factorable? The graph below is that of a function f(x)= az + bæ? + cz + djwhere a, b, c, d are constants. Show that the z-coordinates of the two marked points are given by the formula -bt V-3ac 3a This is like a proof - you're given a problem and the answer, and you need to show WHY it's the answer.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:Here are 2 guiding Q's for #6:
What's the 1" step we do to find mins and maxes?
How do we solve quadratic questions when they're not factorable?
The graph below is that of a function f(z)= az + bx? + ez + d, where a, b, c, d
are constants. Show that the z-coordinates of the two marked points are given by the
formula
-bt V-3ac
3a
2.
This is like a proof-you're given a problem and the answer, and you need to show WHY it's the answer.
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