0 reads0 ratings0 helpful
If one zero of (p(x)=x^2+ax+7) is (\sqrt{7}) and (a) is rational, what is (a)?
Advertisement
Answer and explanation
Correct answer: (0)
The other zero will be (-\sqrt{7}), so the sum is (0) and (a=-0=0). With rational coefficients, take the conjugate zero.
Frequently asked questions
What is the correct answer to this question?
(0)
Why is this the correct answer?
The other zero will be (-\sqrt{7}), so the sum is (0) and (a=-0=0). With rational coefficients, take the conjugate zero.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Polynomials. Topic: Irrational numbers and real numbers.
Student feedback
Was this question useful?
Was this question useful?
👍 0 Helpful 👎 0 Not helpful
Difficulty
Easy0%
Medium0%
Hard0%
Was the explanation clear?
Yes 0% No 0%
0 responsesStudent Reviews
No published reviews yet.
Advertisement