By which number should (–1/4)⁻¹ be multiplied so that the product is the reciprocal of (–7/4)⁻¹?किस संख्या से (–1/4)⁻¹ को गुणा किया जाए ताकि गुणनफल (–7/4)⁻¹ का व्युत्क्रम हो ?
किस संख्या से (–1/4)⁻¹ को गुणा किया जाए ताकि गुणनफल (–7/4)⁻¹ का व्युत्क्रम हो ?
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Correct answer: (A) 7/167/16
Explanation
(–1/4)⁻¹ = –4, and the reciprocal of (–7/4)⁻¹ is –7/4. So –4 × k = –7/4 gives k = 7/16.(–1/4)⁻¹ = –4, और (–7/4)⁻¹ का व्युत्क्रम –7/4 है। इसलिए –4 × k = –7/4 से k = 7/16।