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What will be the degree after expanding (2x^4(3x^2-1))?

Answer and explanation

Correct answer: 6

On expanding, \(2x^4(3x^2-1)=6x^6-2x^4\). The highest power of \(x\) is \(6\), so the degree of the polynomial is 6. Although \(-2x^4\) has degree 4, it is not the highest-degree term. Exam tip: simplify the expression first, then identify the highest power in a non-zero term.

Related tags

PolynomialsDegree Of PolynomialAlgebraic ExpansionClass 9 MathematicsExponentsDegree Of A PolynomialIntroduction To PolynomialsMathematics

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