\(5x^2-3x+8\) में से \(2x^2+4x-1\) घटाने पर क्या मिलेगा?
What is obtained by subtracting \(2x^2+4x-1\) from \(5x^2-3x+8\)?
Explanation opens after your attempt
B. \(3x^2-7x+9\)
Concept
Subtraction gives (5x-2-3x+8-\(2x^2+4x-1\)). The simplified form is \(3x^2-7x+9\).
Why this answer is correct
The correct answer is B. \(3x^2-7x+9\). Subtraction gives (5x-2-3x+8-\(2x^2+4x-1\)). The simplified form is \(3x^2-7x+9\).
Exam Tip
घटाने पर (5x-2-3x+8-\(2x^2+4x-1\)) मिलेगा। सरल रूप \(3x^2-7x+9\) है।
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