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

What is the cube root of 729?

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If two complementary angles differ by 30°, what are the angles?

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What is the remainder when 5^100 is divided by 3?

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What is the square root of 0.25?

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A train 120 meters long is moving at a speed of 54 km/h. How long will it take to pass a pole?

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If x:y = 2:3 and z:y = 4:3, what is x:z?

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

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