किस व्यंजक में सभी घातें पूर्णांक हैं, फिर भी वह बहुपद नहीं है?
In which expression are all powers integers, yet it is not a polynomial?
Explanation opens after your attempt
Correct Answer
B. \(x^{-2}+x^3\)
Concept
(-2) is an integer but it is negative. In a polynomial, powers must be zero or positive integers.
Why this answer is correct
The correct answer is B. \(x^{-2}+x^3\). (-2) is an integer but it is negative. In a polynomial, powers must be zero or positive integers.
Exam Tip
(-2) पूर्णांक है लेकिन ऋणात्मक है। बहुपद में घातें शून्य या धनात्मक पूर्णांक होनी चाहिए।
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