Question

2. What should be added to the quadratic polynomial x2 – 5x + 4, so that 3
is the zero of the resulting polynomials?
(A) 1
(B) 2
(C) 4
(D) 5
3. A quadratic polynomial, the sum of whose zeroes is 0 and one zero is
3, is
(A) x2-9
(C) x² +3
(B) x2 + 9
(D) x2 – 3
4. If a and ß are the zeroes of the polynomial x2 + x + 1, then- + is
(A) 1
(B)-1
(D)-2
(C)
5. If one zero of the polynomial (k2 + 4) x2 + 13x + 4k is reciprocal of the
other, then the value of k is
(A) 2
(B)-2
(C) 1
(D) -1​
I WILL MARK THE FIRST ANSWER AS BRAINLIEST

Answer 1

2. B

3. A

4. B if the question is

$( \alpha + \beta )$

5. A