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If \(a\neq0\) and \(b\neq0\), what is the simplified form of \(\frac{15a^4b^2}{5a^2b}\)?

Answer and explanation

Correct answer: \(3a^2b\)

Divide the numerical coefficients to get \(15\div5=3\). For like bases, subtract the exponents: \(a^{4-2}=a^2\) and \(b^{2-1}=b\). Therefore, the simplified form is \(3a^2b\). Option B is incorrect because it does not reduce the exponent of \(b\). Exam tip: when dividing monomials, divide the coefficients and subtract the exponents of like variables.

Related tags

PolynomialsMonomial DivisionExponent LawsAlgebraic SimplificationOperations On Real Numbers And The Laws Of ExponentsMathematicsClass 10 Mcq

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