कौन-सा व्यंजक (u) में बहुपद है लेकिन (x) में बहुपद नहीं माना जाएगा यदि (x) हर में हो?
Which expression is a polynomial in (u) but not considered a polynomial in (x) if (x) is in the denominator?
Explanation opens after your attempt
B. \(u^2+\frac{1}{x}\)
Concept
With respect to (u), \(\frac{1}{x}\) is like a constant, so it is a polynomial in (u). With respect to (x), \(\frac{1}{x}\) has power (-1).
Why this answer is correct
The correct answer is B. \(u^2+\frac{1}{x}\). With respect to (u), \(\frac{1}{x}\) is like a constant, so it is a polynomial in (u). With respect to (x), \(\frac{1}{x}\) has power (-1).
Exam Tip
(u) के संदर्भ में \(\frac{1}{x}\) स्थिर जैसा है, इसलिए यह (u) में बहुपद है। लेकिन (x) के संदर्भ में \(\frac{1}{x}\) की घात (-1) है।
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