If α and β are the roots of the equation x2 - px + q = 0, then \( – McqOptions

MCQOPTIONS

1.	If α and β are the roots of the equation x2 - px + q = 0, then \(\sum {{(\alpha ^2 + \beta^2)}} \) is
A.	p2 + 2q
B.	p + 2q
C.	p2 - 2q
D.	p - 2q
Answer» D. p - 2q

Discussion

No Comment Found

Related MCQs

If α, β are the roots of the equation ax2 + bx + c = 0, then the equation whose roots are \(\alpha + \dfrac{1}{\beta }\) and \(\beta + \dfrac{1}{\alpha }\) is:
If α and β are the roots of the equation x2 - px + q = 0, then \(\sum {{(\alpha ^2 + \beta^2)}} \) is
If f(x) = 3x2 - 5x + p and f(0) and f(1) are opposite in sign, then which of the following is correct?
If one root of 5x2 + 26x + k = 0 is reciprocal of the other, then what is the value of k?
If α and β are the roots of the equation 4x2 + 2x - 1 = 0, then which one of the following is correct?
If cot α and cot β are the roots of the equation x2 + bx + c = 0 with b ≠ 0, then the value of cot (α + β) is
If k is one of the roots of the equation x(x + 1) + 1 = 0, then what is its other root?
If cot α and cot β are the roots of the equation x2 - 3x + 2 = 0, then what is cot (α + β) equal to ?