यदि \(R=\{(x,y):x=y^7,\ x\in{-128,-1,0,1,128},\ y\in{-2,-1,0,1,2}\}\) हो, तो (R) के बारे में सही कथन क्या है?
If \(R=\{(x,y):x=y^7,\ x\in{-128,-1,0,1,128},\ y\in{-2,-1,0,1,2}\}\), which statement about (R) is correct?
Explanation opens after your attempt
Correct Answer
A. यह फलन हैIt is a function
Concept
Each given (x) has a unique real seventh root in (Y). The inverse of an odd power is unique over real numbers.
Why this answer is correct
The correct answer is A. यह फलन है / It is a function. Each given (x) has a unique real seventh root in (Y). The inverse of an odd power is unique over real numbers.
Exam Tip
हर दिए गए (x) का वास्तविक सप्तममूल अद्वितीय है और (Y) में है। विषम घात का उल्टा वास्तविक संख्याओं में एकमात्र होता है।
Login to save your score, XP, coins and progress.