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If \(y \neq 0\), what is the simplified form of \(\left(\dfrac{x^2}{y^{-1}}\right)^2\)?
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Answer and explanation
Correct answer: \(,x^4y^2,\)
\(\dfrac{x^2}{y^{-1}}=x^2y\), so the whole square is \(x^4y^2\). In exams, simplify a negative exponent by moving its position.
Frequently asked questions
What is the correct answer to this question?
\(,x^4y^2,\)
Why is this the correct answer?
\(\dfrac{x^2}{y^{-1}}=x^2y\), so the whole square is \(x^4y^2\). In exams, simplify a negative exponent by moving its position.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Polynomials. Topic: Operations on real numbers and the laws of exponents.
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