Concept-wise Practice

rational-simplification MCQ Questions for Class 12

rational-simplification se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

Practice Questions

1 questions tagged with rational-simplification.

यदि \(f:\mathbb{R}\setminus{2}\to\mathbb{R}\), (f(x)=\frac{x-2-4}{x-2}), तो (f) की एकैकीता पर सही निष्कर्ष क्या है?

If \(f:\mathbb{R}\setminus{2}\to\mathbb{R}\), (f(x)=\frac{x-2-4}{x-2}), what is the correct conclusion about the one-one nature of (f)?

Explanation opens after your attempt
Correct Answer

A. एकैकी हैIt is one-one

Step 1

Concept

For \(x\neq 2\), \(\frac{x^2-4}{x-2}=x+2\).

Step 2

Why this answer is correct

In (x+2), the coefficient of (x) is non-zero, so equal images give equal inputs.

Step 3

Exam Tip

While simplifying, keep the removed point outside the domain. चरण 1: \(x\neq 2\) पर \(\frac{x^2-4}{x-2}=x+2\) हो जाता है। चरण 2: (x+2) में (x) का गुणांक शून्य नहीं है, इसलिए समान छवि से समान आगत मिलेगा। चरण 3: सरलीकरण करते समय हटाए गए बिंदु को क्षेत्र से बाहर ही रखें।

Open Question Page
Ask Friends
Student Class Required

Select your class first

Quiz questions, daily challenge and practice pages will open according to your selected class. Class 11/12 ke liye stream bhi select karein.