If (p(x)=3x^2-18x+21), what type of zeroes does it have?
Answer and explanation
Correct answer: Real and irrational
After removing the common factor, we get (x^2-6x+7), and (D=36-28=8). Since (D) is positive and not a perfect square, the zeroes are real irrational.
Frequently asked questions
What is the correct answer to this question?
Real and irrational
Why is this the correct answer?
After removing the common factor, we get (x^2-6x+7), and (D=36-28=8). Since (D) is positive and not a perfect square, the zeroes are real irrational.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Polynomials. Topic: Irrational numbers and real numbers.
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