यदि \(f:{1,2,3,4}\to{0,1}\) को (f(x)=0) जब (x) सम हो और (f(x)=1) जब (x) विषम हो से परिभाषित किया गया है, तो (f(3)) क्या है?
If \(f:{1,2,3,4}\to{0,1}\) is defined by (f(x)=0) when (x) is even and (f(x)=1) when (x) is odd, what is (f(3))?
Explanation opens after your attempt
Correct Answer
B. (1)
Concept
(3) is odd, so its image is (1). In exams, read the rule first and then substitute the value.
Why this answer is correct
The correct answer is B. (1). (3) is odd, so its image is (1). In exams, read the rule first and then substitute the value.
Exam Tip
(3) विषम है इसलिए उसकी छवि (1) होगी। परीक्षा में नियम को पहले पढ़ें फिर मान रखें।
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