सरल करने के बाद (5x-7\(x^2-1\)-5x-9+2x-6) की डिग्री क्या है?
After simplifying (5x-7\(x^2-1\)-5x-9+2x-6), what is the degree?
Explanation opens after your attempt
B. (7)
Concept
(5x-7\(x^2-1\)=5x-9-5x-7), and \(5x^9\) cancels. The remaining highest power is (7).
Why this answer is correct
The correct answer is B. (7). (5x-7\(x^2-1\)=5x-9-5x-7), and \(5x^9\) cancels. The remaining highest power is (7).
Exam Tip
(5x-7\(x^2-1\)=5x-9-5x-7) और \(5x^9\) कटता है। बची सबसे बड़ी घात (7) है।
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