यदि (A(x)=x^{10}+9) और (B(x)=-x^{10}+11x-7), तो (A(x)+B(x)) की डिग्री क्या है?
If (A(x)=x^{10}+9) and (B(x)=-x^{10}+11x-7), what is the degree of (A(x)+B(x))?
Explanation opens after your attempt
B. (7)
Concept
On adding, the \(x^{10}\) terms cancel and \(11x^7+9\) remains. Its degree is (7).
Why this answer is correct
The correct answer is B. (7). On adding, the \(x^{10}\) terms cancel and \(11x^7+9\) remains. Its degree is (7).
Exam Tip
जोड़ने पर \(x^{10}\) पद कटते हैं और \(11x^7+9\) बचता है। इसकी डिग्री (7) है।
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