Concept-wise Practice

logical form MCQ Questions for Class 12

logical form 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 logical form.

निम्न में से कौन-सा कथन एकैकी फलन के लिए हमेशा सही है?

Which of the following statements is always true for a one-one function?

Explanation opens after your attempt
Correct Answer

A. यदि \(a\neq b\), तो (f(a)\neq f(b))

Step 1

Concept

One-one means different inputs cannot give the same output.

Step 2

Why this answer is correct

Therefore, if \(a\neq b\), then (f(a)\neq f(b)).

Step 3

Exam Tip

Remember both forms: (f(a)=f(b)\Rightarrow a=b) and (a\neq b\Rightarrow f(a)\neq f(b)). चरण 1: एकैकीता का अर्थ है कि अलग निवेश समान निर्गत नहीं दे सकते। चरण 2: इसलिए \(a\neq b\) होने पर (f(a)\neq f(b)) होना चाहिए। चरण 3: परिभाषा के दोनों रूप याद रखें: (f(a)=f(b)\Rightarrow a=b) और (a\neq b\Rightarrow f(a)\neq f(b))।

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