Topic Details (Notes format)

How to Compute the Greatest Common Divisor (GCD) for Polynomials

Subject: Mathematics

Book: Maths Mastery

For polynomials f(x) and g(x), the GCD is the highest-degree polynomial that divides both without remainder. Analogous to integer gcd, you can use polynomial long division or the Euclidean algorithm. For example, GCD(x²–1, x²–x–2)= x–1. Polynomial GCDs matter in factoring expressions, simplifying rational expressions, or analyzing algebraic structures. This operation appears in advanced algebra, symbolic computation (CAS systems), or geometry constraints. Mastering polynomial gcd ensures robust factorization and solution extraction from polynomial-based equations.

Practice Questions

If 5x - 2 = 13, what is the value of x?

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If 8x = 512, what is the value of x?

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If x + 1/x = 5, what is the value of x^2 + 1/x^2?

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If x - y = 5 and x + y = 15, what is the value of x?

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If x = 2 and y = 3, what is the value of (x^2 + y^2)?

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A car travels 240 km in 4 hours. What is its average speed?

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If sin(A) = 3/5 and cos(B) = 5/13, where A and B are acute angles, what is sin(A+B)?

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If a+b = 10 and ab = 21, what is the value of a^3 + b^3?

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If the average of five consecutive odd numbers is 25, what is the largest number?

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What is the sum of the first 10 positive even numbers?

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