Difference between revisions of "1960 AHSME Problems/Problem 36"
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The answer is <math>\boxed{\textbf{(B)}}</math>. | The answer is <math>\boxed{\textbf{(B)}}</math>. | ||
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+ | ==Video Solution== | ||
+ | https://youtu.be/ZdM2ou5Gsuw?t=89 | ||
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+ | MathProblemSolvingSkills.com | ||
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==See Also== | ==See Also== |
Latest revision as of 21:25, 28 December 2023
Contents
[hide]Problem
Let be the respective sums of terms of the same arithmetic progression with as the first term and as the common difference. Let . Then is dependent on:
Solution
The nth term of the sequence with first term is . That means the sum of the first terms is with first term is .
The 2nth term of the sequence with first term is . That means the sum of the first terms is with first term is .
The 3nth term of the sequence with first term is . That means the sum of the first terms is with first term is .
Substituting , , and with its respective values results in
The answer is .
Video Solution
https://youtu.be/ZdM2ou5Gsuw?t=89
MathProblemSolvingSkills.com
See Also
1960 AHSC (Problems • Answer Key • Resources) | ||
Preceded by Problem 35 |
Followed by Problem 37 | |
1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 • 26 • 27 • 28 • 29 • 30 • 31 • 32 • 33 • 34 • 35 • 36 • 37 • 38 • 39 • 40 | ||
All AHSME Problems and Solutions |