Math Problem Statement
Find two consecutive positive integers , Sum of whose square is 365
Solution
Let's denote the two consecutive positive integers as and .
The sum of their squares is given by:
Expanding and simplifying the equation:
Subtract 1 from both sides:
Divide the entire equation by 2:
Now, rearrange the equation:
This is a quadratic equation. We can solve it using the quadratic formula:
For our equation , the coefficients are:
Substituting these values into the quadratic formula:
This gives us two solutions:
or
Since we are looking for positive integers, .
Thus, the two consecutive positive integers are 13 and 14.
Let's verify:
The sum of the squares is indeed 365.
Would you like more details or have any questions?
Here are 5 related questions:
- What is the general approach to solving quadratic equations?
- Can you find two consecutive even integers whose squares sum up to 340?
- How would the problem change if the sum of cubes was required instead of squares?
- Can you determine two consecutive negative integers that satisfy the same condition?
- How does the discriminant help in determining the nature of the roots?
Tip: When solving quadratic equations, always check if the discriminant is a perfect square for easy factorization.
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Math Problem Analysis
Mathematical Concepts
Algebra
Quadratic Equations
Number Theory
Formulas
Quadratic formula
Theorems
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Suitable Grade Level
Grades 7-9
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