यदि (f(x)=5x+4) और (g(x)=2x-3) हों, तो ((f-2g)(x)) क्या होगा?
If (f(x)=5x+4) and (g(x)=2x-3), what is ((f-2g)(x))?
Explanation opens after your attempt
A. (x+10)
Concept
((f-2g)(x)=5x+4-2(2x-3)=x+10). Be careful with signs while opening brackets.
Why this answer is correct
The correct answer is A. (x+10). ((f-2g)(x)=5x+4-2(2x-3)=x+10). Be careful with signs while opening brackets.
Exam Tip
((f-2g)(x)=5x+4-2(2x-3)=x+10)। कोष्ठक खोलते समय चिह्न न बदलें।
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