यदि (A(x)=x-8+7) और (B(x)=-x-8+9x-5), तो (A(x)+B(x)) की डिग्री क्या है?
If (A(x)=x-8+7) and (B(x)=-x-8+9x-5), what is the degree of (A(x)+B(x))?
Explanation opens after your attempt
B. (5)
Concept
On adding, the \(x^8\) terms cancel and \(9x^5+7\) remains. Its degree is (5).
Why this answer is correct
The correct answer is B. (5). On adding, the \(x^8\) terms cancel and \(9x^5+7\) remains. Its degree is (5).
Exam Tip
जोड़ने पर \(x^8\) पद कटते हैं और \(9x^5+7\) बचता है। इसकी डिग्री (5) है।
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