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

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

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

A. (11)

Step 1

Concept

(f(1)=12+2\cdot1=3).

Step 2

Why this answer is correct

(f(2)=22+2\cdot2=8).

Step 3

Exam Tip

The sum is (3+8=11). चरण 1: (f(1)=12+2\cdot1=3)। चरण 2: (f(2)=22+2\cdot2=8)। चरण 3: योग (3+8=11) है।

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Mathematics Answer, Explanation and Revision Hints

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

Correct Answer: A. (11). Explanation: चरण 1: (f(1)=12+2\cdot1=3)। चरण 2: (f(2)=22+2\cdot2=8)। चरण 3: योग (3+8=11) है। / Step 1: (f(1)=12+2\cdot1=3). Step 2: (f(2)=22+2\cdot2=8). Step 3: The sum is (3+8=11).

Which concept should I revise for this Mathematics MCQ?

(f(1)=12+2\cdot1=3).

What exam hint can help solve this Mathematics question?

The sum is (3+8=11). चरण 1: (f(1)=12+2\cdot1=3)। चरण 2: (f(2)=22+2\cdot2=8)। चरण 3: योग (3+8=11) है।