Difference between revisions of "1963 TMTA High School Algebra I Contest Problem 11"
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Coolmath34 (talk | contribs) (→Solution) |
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== Solution == | == Solution == | ||
This is a difference of cubes, so factor using the difference of cubes formula: | This is a difference of cubes, so factor using the difference of cubes formula: | ||
− | <cmath>x^3 + y^3 = (x+y)(x^2-xy+y^2.</cmath> | + | <cmath>x^3 + y^3 = (x+y)(x^2-xy+y^2).</cmath> |
The answer is <math>\boxed{\text{(C)}}.</math> | The answer is <math>\boxed{\text{(C)}}.</math> | ||
Latest revision as of 23:14, 1 February 2021
Problem
factored into real primes is
Solution
This is a difference of cubes, so factor using the difference of cubes formula: The answer is
See Also
1963 TMTA High School Mathematics Contests (Problems) | ||
Preceded by Problem 10 |
TMTA High School Mathematics Contest Past Problems/Solutions | Followed by Problem 12 |