यदि (f(x)=x-2+1) और (g(x)=x-2-3) हों, तो ((f-g)(5)) क्या होगा?

If (f(x)=x-2+1) and (g(x)=x-2-3), what is ((f-g)(5))?

Explanation opens after your attempt
Correct Answer

A. (4)

Step 1

Concept

((f-g)(x)=\(x^2+1\)-\(x^2-3\)=4), so at (x=5) the value is also (4). Simplifying first reduces calculation.

Step 2

Why this answer is correct

The correct answer is A. (4). ((f-g)(x)=\(x^2+1\)-\(x^2-3\)=4), so at (x=5) the value is also (4). Simplifying first reduces calculation.

Step 3

Exam Tip

((f-g)(x)=\(x^2+1\)-\(x^2-3\)=4), इसलिए (x=5) पर भी value (4) है। पहले simplify करने से calculation कम होती है।

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Mathematics Answer, Explanation and Revision Hints

यदि (f(x)=x-2+1) और (g(x)=x-2-3) हों, तो ((f-g)(5)) क्या होगा? / If (f(x)=x-2+1) and (g(x)=x-2-3), what is ((f-g)(5))?

Correct Answer: A. (4). Explanation: ((f-g)(x)=\(x^2+1\)-\(x^2-3\)=4), इसलिए (x=5) पर भी value (4) है। पहले simplify करने से calculation कम होती है। / ((f-g)(x)=\(x^2+1\)-\(x^2-3\)=4), so at (x=5) the value is also (4). Simplifying first reduces calculation.

Which concept should I revise for this Mathematics MCQ?

((f-g)(x)=\(x^2+1\)-\(x^2-3\)=4), so at (x=5) the value is also (4). Simplifying first reduces calculation.

What exam hint can help solve this Mathematics question?

((f-g)(x)=\(x^2+1\)-\(x^2-3\)=4), इसलिए (x=5) पर भी value (4) है। पहले simplify करने से calculation कम होती है।