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If (p(x)=x^2+4x+2), which is the correct pair of zeroes?
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Answer and explanation
Correct answer: (-2+\sqrt{2}) and (-2-\sqrt{2})
By the formula, (x=\frac{-4\pm\sqrt{16-8}}{2}=-2\pm\sqrt{2}). Pay attention to the negative sign and denominator (2).
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What is the correct answer to this question?
(-2+\sqrt{2}) and (-2-\sqrt{2})
Why is this the correct answer?
By the formula, (x=\frac{-4\pm\sqrt{16-8}}{2}=-2\pm\sqrt{2}). Pay attention to the negative sign and denominator (2).
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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