(p(x)=5x-2+3x-2) से (r(x)=2x-2-x+4) घटाने पर क्या मिलेगा?
What is obtained when (r(x)=2x-2-x+4) is subtracted from (p(x)=5x-2+3x-2)?
Explanation opens after your attempt
A. \(3x^2+4x-6\)
Concept
(p(x)-r(x)=5x-2+3x-2-\(2x^2-x+4\)=3x-2+4x-6). Change all signs while subtracting.
Why this answer is correct
The correct answer is A. \(3x^2+4x-6\). (p(x)-r(x)=5x-2+3x-2-\(2x^2-x+4\)=3x-2+4x-6). Change all signs while subtracting.
Exam Tip
(p(x)-r(x)=5x-2+3x-2-\(2x^2-x+4\)=3x-2+4x-6)। घटाते समय सभी संकेत बदलें।
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