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What is the value of the polynomial \(x^2+1\) when \(x=1\)?
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Answer and explanation
Correct answer: 2
Substituting \(x=1\) gives \(x^2+1=1^2+1=1+1=2\), so the correct answer is 2. Choosing 1 means ignoring the constant term \(+1\). In the exam, calculate the power first and then perform the addition.
Frequently asked questions
What is the correct answer to this question?
2
Why is this the correct answer?
Substituting \(x=1\) gives \(x^2+1=1^2+1=1+1=2\), so the correct answer is 2. Choosing 1 means ignoring the constant term \(+1\). In the exam, calculate the power first and then perform the addition.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Polynomials. Topic: Polynomials in one variable.
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