यदि (f(x)=\frac{5x+1}{2}), तो (f^{-1}(x)) क्या होगा?

If (f(x)=\frac{5x+1}{2}), what is (f^{-1}(x))?

Explanation opens after your attempt
Correct Answer

A. \(\frac{2x-1}{5}\)

Step 1

Concept

Write \(y=\frac{5x+1}{2}\).

Step 2

Why this answer is correct

Then (2y=5x+1), so \(x=\frac{2y-1}{5}\).

Step 3

Exam Tip

Replacing (y) by (x), (f^{-1}(x)=\frac{2x-1}{5}). चरण 1: \(y=\frac{5x+1}{2}\) लिखें। चरण 2: (2y=5x+1), इसलिए \(x=\frac{2y-1}{5}\)। चरण 3: (y) को (x) से बदलने पर (f^{-1}(x)=\frac{2x-1}{5})।

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यदि (f(x)=\frac{5x+1}{2}), तो (f^{-1}(x)) क्या होगा? / If (f(x)=\frac{5x+1}{2}), what is (f^{-1}(x))?

Correct Answer: A. \(\frac{2x-1}{5}\). Explanation: चरण 1: \(y=\frac{5x+1}{2}\) लिखें। चरण 2: (2y=5x+1), इसलिए \(x=\frac{2y-1}{5}\)। चरण 3: (y) को (x) से बदलने पर (f^{-1}(x)=\frac{2x-1}{5})। / Step 1: Write \(y=\frac{5x+1}{2}\). Step 2: Then (2y=5x+1), so \(x=\frac{2y-1}{5}\). Step 3: Replacing (y) by (x), (f^{-1}(x)=\frac{2x-1}{5}).

Which concept should I revise for this Mathematics MCQ?

Write \(y=\frac{5x+1}{2}\).

What exam hint can help solve this Mathematics question?

Replacing (y) by (x), (f^{-1}(x)=\frac{2x-1}{5}). चरण 1: \(y=\frac{5x+1}{2}\) लिखें। चरण 2: (2y=5x+1), इसलिए \(x=\frac{2y-1}{5}\)। चरण 3: (y) को (x) से बदलने पर (f^{-1}(x)=\frac{2x-1}{5})।