Update

Muft Shiksha™ एक 100% Free Education Portal है 🇮🇳, जिसका उद्देश्य Class 9–12 के हर विद्यार्थी तक High-Quality Education को पूरी तरह मुफ्त पहुँचाना है। 🇮🇳 हम मानते हैं कि अच्छी शिक्षा किसी student की आर्थिक स्थिति पर निर्भर नहीं होनी चाहिए। 🇮🇳 हर विद्यार्थी को वही Quality Study Material, MCQs, Quizzes, Exam Preparation, Concept-Based Learning और Bilingual Support मिलना चाहिए, जो आमतौर पर महंगी Coaching या Premium Platforms में मिलता है। Muft Shiksha™ 🇮🇳 इसी सोच के साथ बनाया गया है

Subjects

RELATED QUESTIONS

Counterexample

Class 12 Mathematics के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

MathematicsThe function \(f:\mathbb{R}\to\mathbb{R}\) is defined by \(f(x)=x+1\) if \(x<0\) and \(f(x)=x^2\) if \(x\ge0\). What is the correct statement?Class 12Relations and FunctionsOne-one functionLevel 22ExpertMathematicsIf (f:\mathbb{R}\to\mathbb{R}) and (f(x)=\frac{x^2-1}{x^2+1}), choose the correct statement about (f).Class 12Relations and FunctionsOne-one functionLevel 22ExpertMathematicsIf \(f:\mathbb{R}\to\mathbb{R}\) and \(f(x)=\frac{x}{1+x^2}\), what is the correct statement about (f)?Class 12Relations and FunctionsOne-one functionLevel 22ExpertMathematicsIf (f:\mathbb{Z}\to\mathbb{Z}) and (f(n)=|n|), why is (f) not one-one?Class 12Relations and FunctionsOne-one functionLevel 22ExpertMathematicsIf (f:\mathbb{R}\to\mathbb{Z}) and (f(x)=\lfloor x\rfloor), which statement about (f) is correct?Class 12Relations and FunctionsOne-one functionLevel 22ExpertMathematicsIf (f:\mathbb{R}\to\mathbb{R}) and (f(x)=e^x+e^{-x}), what is the correct statement about (f)?Class 12Relations and FunctionsOne-one functionLevel 22ExpertMathematicsIf (f:\mathbb{R}\to\mathbb{R}) and (f(x)=\ln(x^2+1)), choose the correct statement about (f).Class 12Relations and FunctionsOne-one functionLevel 22ExpertMathematicsIf \(f:(0,\infty)\to\mathbb{R}\) and \(f(x)=x+\frac{1}{x}\), choose the correct statement about (f).Class 12Relations and FunctionsOne-one functionLevel 22ExpertMathematicsIf (f:\mathbb{R}\to\mathbb{R}) and (f(x)=x^3-3x), choose the correct statement about (f).Class 12Relations and FunctionsOne-one functionLevel 22ExpertMathematicsIf (f:\mathbb{R}\to\mathbb{R}) and (f(x)=x^3+3x^2), which is the correct proof that (f) is not one-one?Class 12Relations and FunctionsOne-one functionLevel 24HardMathematicsIf \(f:\mathbb{R}\to\mathbb{R}\) and \(f(x)=|x+1|+|x-1|\), is (f) one-one?Class 12Relations and FunctionsOne-one functionLevel 24HardMathematicsIf (f:\mathbb{Z}\to\mathbb{Z}) and (f(n)=n^2), why is (f) not one-one?Class 12Relations and FunctionsOne-one functionLevel 24HardMathematicsIf (f:\mathbb{R}\to\mathbb{R}) and (f(x)=x^2-4x+7), which option shows that (f) is not one-one?Class 12Relations and FunctionsOne-one functionLevel 24HardMathematicsIf (f:\mathbb{R}\to\mathbb{R}) and (f(x)=7), what is the correct statement about (f)?Class 12Relations and FunctionsOne-one functionLevel 24HardMathematicsIf (f={(1,4),(2,5),(3,5)}), where (f:{1,2,3}\to{4,5,6}), choose the correct statement.Class 12Relations and FunctionsOne-one functionLevel 24HardMathematicsThe function (f:\mathbb{R}\to\mathbb{R}) is defined by (f(x)=x^2) if (x<0) and (f(x)=x+1) if (x\ge0). What is the correct statement about (f)?Class 12Relations and FunctionsOne-one functionLevel 24HardMathematicsIf (f:\mathbb{R}\to\mathbb{R}) and (f(x)=x^4+1), what is the correct statement about (f)?Class 12Relations and FunctionsOne-one functionLevel 24HardMathematicsIf (f:[-2,2]\to\mathbb{R}) and (f(x)=x^2), what is the correct statement about (f)?Class 12Relations and FunctionsOne-one functionLevel 24HardMathematicsIf (f:\mathbb{R}\to\mathbb{Z}) and (f(x)=\lfloor x\rfloor), what is the correct statement about (f)?Class 12Relations and FunctionsOne-one functionLevel 24HardMathematicsIf \(f:\mathbb{R}\to\mathbb{R}\) and \(f(x)=\frac{x}{1+x^2}\), choose the correct statement about (f).Class 12Relations and FunctionsOne-one functionLevel 24Hard