यदि (f(x)=3x+5) और (g(x)=x-2-4) हैं, तो ((g-f)(x)) ज्ञात कीजिए।

If (f(x)=3x+5) and (g(x)=x-2-4), find ((g-f)(x)).

Explanation opens after your attempt
Correct Answer

A. \(x^2-3x-9\)

Step 1

Concept

((g-f)(x)=g(x)-f(x)=x-2-4-(3x+5)=x-2-3x-9). While subtracting, apply the minus sign to the whole (f(x)).

Step 2

Why this answer is correct

The correct answer is A. \(x^2-3x-9\). ((g-f)(x)=g(x)-f(x)=x-2-4-(3x+5)=x-2-3x-9). While subtracting, apply the minus sign to the whole (f(x)).

Step 3

Exam Tip

((g-f)(x)=g(x)-f(x)=x-2-4-(3x+5)=x-2-3x-9)। घटाते समय पूरे (f(x)) पर ऋण लगाएँ।

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Mathematics Answer, Explanation and Revision Hints

यदि (f(x)=3x+5) और (g(x)=x-2-4) हैं, तो ((g-f)(x)) ज्ञात कीजिए। / If (f(x)=3x+5) and (g(x)=x-2-4), find ((g-f)(x)).

Correct Answer: A. \(x^2-3x-9\). Explanation: ((g-f)(x)=g(x)-f(x)=x-2-4-(3x+5)=x-2-3x-9)। घटाते समय पूरे (f(x)) पर ऋण लगाएँ। / ((g-f)(x)=g(x)-f(x)=x-2-4-(3x+5)=x-2-3x-9). While subtracting, apply the minus sign to the whole (f(x)).

Which concept should I revise for this Mathematics MCQ?

((g-f)(x)=g(x)-f(x)=x-2-4-(3x+5)=x-2-3x-9). While subtracting, apply the minus sign to the whole (f(x)).

What exam hint can help solve this Mathematics question?

((g-f)(x)=g(x)-f(x)=x-2-4-(3x+5)=x-2-3x-9)। घटाते समय पूरे (f(x)) पर ऋण लगाएँ।