यदि (f(x)=x-2-3x), तो (f(x+2)-f(x)) क्या होगा?
If (f(x)=x-2-3x), what is (f(x+2)-f(x))?
Explanation opens after your attempt
A. (4x-2)
Concept
Write (f(x+2)=(x+2)2-3(x+2)).
Why this answer is correct
Simplifying gives \(x^2+x-2\).
Exam Tip
Now (x-2+x-2-\(x^2-3x\)=4x-2). चरण 1: (f(x+2)=(x+2)2-3(x+2)) लिखें। चरण 2: सरल करने पर \(x^2+x-2\) मिलता है। चरण 3: अब (x-2+x-2-\(x^2-3x\)=4x-2)।
Login to save your score, XP, coins and progress.
