Difference between revisions of "1967 AHSME Problems/Problem 10"
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+ | == Problem == | ||
+ | If <math>\frac{a}{10^x-1}+\frac{b}{10^x+2}=\frac{2 \cdot 10^x+3}{(10^x-1)(10^x+2)}</math> is an identity for positive rational values of <math>x</math>, then the value of <math>a-b</math> is: | ||
+ | <math>\textbf{(A)}\ \frac{4}{3} \qquad | ||
+ | \textbf{(B)}\ \frac{5}{3} \qquad | ||
+ | \textbf{(C)}\ 2 \qquad | ||
+ | \textbf{(D)}\ \frac{11}{4} \qquad | ||
+ | \textbf{(E)}\ 3</math> | ||
+ | |||
+ | == Solution == | ||
+ | <math>\fbox{A}</math> | ||
+ | |||
+ | == See also == | ||
+ | {{AHSME 40p box|year=1967|num-b=9|num-a=11}} | ||
+ | |||
+ | [[Category:Introductory Algebra Problems]] | ||
+ | {{MAA Notice}} |
Revision as of 00:42, 16 August 2023
Problem
If is an identity for positive rational values of , then the value of is:
Solution
See also
1967 AHSC (Problems • Answer Key • Resources) | ||
Preceded by Problem 9 |
Followed by Problem 11 | |
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All AHSME Problems and Solutions |
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