सरल करने के बाद (2x-5\(x^3-1\)-2x-8+7x-4) की डिग्री क्या है?
After simplifying (2x-5\(x^3-1\)-2x-8+7x-4), what is the degree?
Explanation opens after your attempt
B. (5)
Concept
On expanding, we get \(2x^8-2x^5-2x^8+7x^4\). The \(x^8\) term cancels and the highest power left is (5).
Why this answer is correct
The correct answer is B. (5). On expanding, we get \(2x^8-2x^5-2x^8+7x^4\). The \(x^8\) term cancels and the highest power left is (5).
Exam Tip
फैलाने पर \(2x^8-2x^5-2x^8+7x^4\) मिलता है। \(x^8\) कटता है और सबसे बड़ी घात (5) रहती है।
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