\(8x^2-6xy+y^2-3x^2+9xy-5y^2\) को सरल करने पर क्या मिलेगा?

What is obtained after simplifying \(8x^2-6xy+y^2-3x^2+9xy-5y^2\)?

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

A. \(5x^2+3xy-4y^2\)

Step 1

Concept

\(8x^2-3x^2=5x^2\), (-6xy+9xy=3xy), and \(y^2-5y^2=-4y^2\).

Step 2

Why this answer is correct

The correct answer is A. \(5x^2+3xy-4y^2\). \(8x^2-3x^2=5x^2\), (-6xy+9xy=3xy), and \(y^2-5y^2=-4y^2\).

Step 3

Exam Tip

\(8x^2-3x^2=5x^2\), (-6xy+9xy=3xy), और \(y^2-5y^2=-4y^2\)।

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Mathematics Answer, Explanation and Revision Hints

\(8x^2-6xy+y^2-3x^2+9xy-5y^2\) को सरल करने पर क्या मिलेगा? / What is obtained after simplifying \(8x^2-6xy+y^2-3x^2+9xy-5y^2\)?

Correct Answer: A. \(5x^2+3xy-4y^2\). Explanation: \(8x^2-3x^2=5x^2\), (-6xy+9xy=3xy), और \(y^2-5y^2=-4y^2\)। / \(8x^2-3x^2=5x^2\), (-6xy+9xy=3xy), and \(y^2-5y^2=-4y^2\).

Which concept should I revise for this Mathematics MCQ?

\(8x^2-3x^2=5x^2\), (-6xy+9xy=3xy), and \(y^2-5y^2=-4y^2\).

What exam hint can help solve this Mathematics question?

\(8x^2-3x^2=5x^2\), (-6xy+9xy=3xy), और \(y^2-5y^2=-4y^2\)।