यदि \(f:\mathbb{R}\to\mathbb{R}\) और (f(x)=x-2-2x), तो (f(1+h)-f(1)) का मान क्या है?

If \(f:\mathbb{R}\to\mathbb{R}\) and (f(x)=x-2-2x), what is the value of (f(1+h)-f(1))?

Explanation opens after your attempt
Correct Answer

A. \(h^2\)

Step 1

Concept

(f(1+h)=(1+h)2-2(1+h)=h-2-1).

Step 2

Why this answer is correct

(f(1)=1-2=-1).

Step 3

Exam Tip

The difference is (\(h^2-1\)-(-1)=h-2). चरण 1: (f(1+h)=(1+h)2-2(1+h)=h-2-1)। चरण 2: (f(1)=1-2=-1)। चरण 3: अंतर (\(h^2-1\)-(-1)=h-2) है।

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Mathematics Answer, Explanation and Revision Hints

यदि \(f:\mathbb{R}\to\mathbb{R}\) और (f(x)=x-2-2x), तो (f(1+h)-f(1)) का मान क्या है? / If \(f:\mathbb{R}\to\mathbb{R}\) and (f(x)=x-2-2x), what is the value of (f(1+h)-f(1))?

Correct Answer: A. \(h^2\). Explanation: चरण 1: (f(1+h)=(1+h)2-2(1+h)=h-2-1)। चरण 2: (f(1)=1-2=-1)। चरण 3: अंतर (\(h^2-1\)-(-1)=h-2) है। / Step 1: (f(1+h)=(1+h)2-2(1+h)=h-2-1). Step 2: (f(1)=1-2=-1). Step 3: The difference is (\(h^2-1\)-(-1)=h-2).

Which concept should I revise for this Mathematics MCQ?

(f(1+h)=(1+h)2-2(1+h)=h-2-1).

What exam hint can help solve this Mathematics question?

The difference is (\(h^2-1\)-(-1)=h-2). चरण 1: (f(1+h)=(1+h)2-2(1+h)=h-2-1)। चरण 2: (f(1)=1-2=-1)। चरण 3: अंतर (\(h^2-1\)-(-1)=h-2) है।