यदि (f(x)=x-2-2x+5) है, तो (f(3)) क्या है?

If (f(x)=x-2-2x+5), what is (f(3))?

Explanation opens after your attempt
Correct Answer

A. (8)

Step 1

Concept

(f(3)=32-2(3)+5=8). In exams be careful with signs while substituting.

Step 2

Why this answer is correct

The correct answer is A. (8). (f(3)=32-2(3)+5=8). In exams be careful with signs while substituting.

Step 3

Exam Tip

(f(3)=32-2(3)+5=8) है। परीक्षा में substitution करते समय चिन्हों का ध्यान रखें।

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Mathematics Answer, Explanation and Revision Hints

यदि (f(x)=x-2-2x+5) है, तो (f(3)) क्या है? / If (f(x)=x-2-2x+5), what is (f(3))?

Correct Answer: A. (8). Explanation: (f(3)=32-2(3)+5=8) है। परीक्षा में substitution करते समय चिन्हों का ध्यान रखें। / (f(3)=32-2(3)+5=8). In exams be careful with signs while substituting.

Which concept should I revise for this Mathematics MCQ?

(f(3)=32-2(3)+5=8). In exams be careful with signs while substituting.

What exam hint can help solve this Mathematics question?

(f(3)=32-2(3)+5=8) है। परीक्षा में substitution करते समय चिन्हों का ध्यान रखें।