यदि (f(x)=x+4) और (g(x)=2x-1) हों, तो ((f+g)(x)=(fg)(x)) के लिए कौन-सा समीकरण बनेगा?

If (f(x)=x+4) and (g(x)=2x-1), which equation is formed for ((f+g)(x)=(fg)(x))?

Explanation opens after your attempt
Correct Answer

B. \(2x^2+7x-4=3x+3\)

Step 1

Concept

((f+g)(x)=3x+3) and ((fg)(x)=(x+4)(2x-1)=2x-2+7x-4). Write both sides separately first.

Step 2

Why this answer is correct

The correct answer is B. \(2x^2+7x-4=3x+3\). ((f+g)(x)=3x+3) and ((fg)(x)=(x+4)(2x-1)=2x-2+7x-4). Write both sides separately first.

Step 3

Exam Tip

((f+g)(x)=3x+3) और ((fg)(x)=(x+4)(2x-1)=2x-2+7x-4)। पहले दोनों पक्ष अलग लिखें।

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Mathematics Answer, Explanation and Revision Hints

यदि (f(x)=x+4) और (g(x)=2x-1) हों, तो ((f+g)(x)=(fg)(x)) के लिए कौन-सा समीकरण बनेगा? / If (f(x)=x+4) and (g(x)=2x-1), which equation is formed for ((f+g)(x)=(fg)(x))?

Correct Answer: B. \(2x^2+7x-4=3x+3\). Explanation: ((f+g)(x)=3x+3) और ((fg)(x)=(x+4)(2x-1)=2x-2+7x-4)। पहले दोनों पक्ष अलग लिखें। / ((f+g)(x)=3x+3) and ((fg)(x)=(x+4)(2x-1)=2x-2+7x-4). Write both sides separately first.

Which concept should I revise for this Mathematics MCQ?

((f+g)(x)=3x+3) and ((fg)(x)=(x+4)(2x-1)=2x-2+7x-4). Write both sides separately first.

What exam hint can help solve this Mathematics question?

((f+g)(x)=3x+3) और ((fg)(x)=(x+4)(2x-1)=2x-2+7x-4)। पहले दोनों पक्ष अलग लिखें।