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How about one more tonight?
Is this an important skill to have for Calculus ll?
Is this an important skill to have for Calculus ll?
yes it is, everything in math is important
Algebra I skills are crucial to later math courses, and you must master skills like solving systems of equations, graphing, slope, and simplification of radicals. Even in Calculus, most problems consist of one difficult step, followed by ten steps of Algebra.
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restricted values of x are: x=3, x=-3
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denominators same, so we have
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substitute x=3
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6B=42
B=7
substitute x=-3
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12=-6A
A=-2
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Another way to do this is to actually add the fractions on the right. $\frac{A}{x+ 3}+ \frac{B}{x- 3}= \frac{A(x- 3)}{(x-3)(x+ 3)}+ \frac{B(x+ 3)}{(x- 3)(x+ 3)}= \frac{Ax- 3A+ Bx+ 3B}{(x- 3)(x+ 3)}= \frac{(A+ B)x- 3A+ 3B}{(x- 3)(x+ 3)}$.
As far as "Calculus II" is concerned, t