किस विकल्प में (p(7)=0) और (p(x)) रेखीय है?
Which option has (p(7)=0) and (p(x)) is linear?
Explanation opens after your attempt
D. (p(x)=x-7)
Concept
Substituting (x=7) in (x-7) gives (0). It is a linear polynomial of degree (1).
Why this answer is correct
The correct answer is D. (p(x)=x-7). Substituting (x=7) in (x-7) gives (0). It is a linear polynomial of degree (1).
Exam Tip
(x-7) में (x=7) रखने पर (0) मिलता है। यह डिग्री (1) वाला रेखीय बहुपद है।
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