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In the polynomial \\(2x^4+3x^2-5x+7\\), what is the sum of the coefficient of \\(x^3\\) and the coefficient of \\(x\\)?
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Answer and explanation
Correct answer: -5
The term \\(x^3\\) is absent from the polynomial, so its coefficient is 0. The coefficient of \\(x\\) is -5. Therefore, their sum is \\(0+(-5)=-5\\). Exam tip: The coefficient of any missing power in a polynomial is taken as 0.
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What is the correct answer to this question?
-5
Why is this the correct answer?
The term \\(x^3\\) is absent from the polynomial, so its coefficient is 0. The coefficient of \\(x\\) is -5. Therefore, their sum is \\(0+(-5)=-5\\). Exam tip: The coefficient of any missing power in a polynomial is taken as 0.
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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