\(12x^2-5x+4\) में से \(7x^2-9x+10\) घटाने पर क्या मिलेगा?
What is obtained by subtracting \(7x^2-9x+10\) from \(12x^2-5x+4\)?
Explanation opens after your attempt
A. \(5x^2+4x-6\)
Concept
Subtraction gives \(12x^2-5x+4-7x^2+9x-10\). Its simplified form is \(5x^2+4x-6\).
Why this answer is correct
The correct answer is A. \(5x^2+4x-6\). Subtraction gives \(12x^2-5x+4-7x^2+9x-10\). Its simplified form is \(5x^2+4x-6\).
Exam Tip
घटाने पर \(12x^2-5x+4-7x^2+9x-10\) मिलता है। इसका सरल रूप \(5x^2+4x-6\) है।
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