यदि (f(x)=x-2-4x), तो (f(x+1)-f(x)) क्या होगा?

If (f(x)=x-2-4x), what is (f(x+1)-f(x))?

Explanation opens after your attempt
Correct Answer

A. (2x-3)

Step 1

Concept

Write (f(x+1)=(x+1)2-4(x+1)).

Step 2

Why this answer is correct

Simplifying gives \(x^2-2x-3\).

Step 3

Exam Tip

Now (x-2-2x-3-\(x^2-4x\)=2x-3). चरण 1: (f(x+1)=(x+1)2-4(x+1)) लिखें। चरण 2: सरल करने पर \(x^2-2x-3\) मिलता है। चरण 3: अब (x-2-2x-3-\(x^2-4x\)=2x-3) होगा।

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Mathematics Answer, Explanation and Revision Hints

यदि (f(x)=x-2-4x), तो (f(x+1)-f(x)) क्या होगा? / If (f(x)=x-2-4x), what is (f(x+1)-f(x))?

Correct Answer: A. (2x-3). Explanation: चरण 1: (f(x+1)=(x+1)2-4(x+1)) लिखें। चरण 2: सरल करने पर \(x^2-2x-3\) मिलता है। चरण 3: अब (x-2-2x-3-\(x^2-4x\)=2x-3) होगा। / Step 1: Write (f(x+1)=(x+1)2-4(x+1)). Step 2: Simplifying gives \(x^2-2x-3\). Step 3: Now (x-2-2x-3-\(x^2-4x\)=2x-3).

Which concept should I revise for this Mathematics MCQ?

Write (f(x+1)=(x+1)2-4(x+1)).

What exam hint can help solve this Mathematics question?

Now (x-2-2x-3-\(x^2-4x\)=2x-3). चरण 1: (f(x+1)=(x+1)2-4(x+1)) लिखें। चरण 2: सरल करने पर \(x^2-2x-3\) मिलता है। चरण 3: अब (x-2-2x-3-\(x^2-4x\)=2x-3) होगा।