सरल करने के बाद (3x-5\(x^2-1\)-3x-7+8x-4) की डिग्री क्या है?
After simplifying (3x-5\(x^2-1\)-3x-7+8x-4), what is the degree?
Explanation opens after your attempt
B. (5)
Concept
(3x-5\(x^2-1\)=3x-7-3x-5), and \(3x^7\) cancels. The remaining \(-3x^5+8x^4\) has degree (5).
Why this answer is correct
The correct answer is B. (5). (3x-5\(x^2-1\)=3x-7-3x-5), and \(3x^7\) cancels. The remaining \(-3x^5+8x^4\) has degree (5).
Exam Tip
(3x-5\(x^2-1\)=3x-7-3x-5) और \(3x^7\) कटता है। बचा \(-3x^5+8x^4\) है जिसकी डिग्री (5) है।
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