Concept-wise Practice

linear-inside MCQ Questions for Class 12

linear-inside 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 linear-inside.

फलन \(f:\mathbb{R}\to\mathbb{R}\), (f(x)=|2x+1|) के लिए सही विकल्प चुनिए।

Choose the correct option for \(f:\mathbb{R}\to\mathbb{R}\), (f(x)=|2x+1|).

Explanation opens after your attempt
Correct Answer

B. एकैकी नहीं हैIt is not one-one

Step 1

Concept

Due to absolute value, two different inputs can give the same positive value.

Step 2

Why this answer is correct

(f(0)=1) and (f(-1)=1), while \(0\neq -1\).

Step 3

Exam Tip

Check absolute value functions carefully on all of \(\mathbb{R}\). चरण 1: निरपेक्ष मान के कारण दो अलग आगत समान धनात्मक मान दे सकते हैं। चरण 2: (f(0)=1) और (f(-1)=1), जबकि \(0\neq -1\)। चरण 3: निरपेक्ष मान वाले फलन को पूरे \(\mathbb{R}\) पर सावधानी से जाँचें।

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