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If (F(x)=3x^9-3x^9+4x^5-4x^5+6x^2-1), what is the degree of (F(x))?

Answer and explanation

Correct answer: 2

Combining like terms gives \(3x^9-3x^9=0\) and \(4x^5-4x^5=0\). Thus, \(F(x)=6x^2-1\). The highest power of \(x\) in the simplified polynomial is 2, so its degree is 2. Option 0 applies only to a non-zero constant polynomial, but \(6x^2\) is present here. Exam tip: Always simplify a polynomial by combining like terms before finding its degree.

Related tags

PolynomialsDegree Of PolynomialLike TermsTerm CancellationClass 9 MathematicsDegree Of A PolynomialIntroduction To PolynomialsMathematics

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