Question

3. If the equation x? – ax + 1 = 0 has two distinct roots then
(a) a = 2
(b) a <2 (c) al > 2
(d) none of these
4. If the equation 9x2 + 6kx + 4 = 0 has equal roots then the roots are both
equal to
3 by
2
(a) none (b)
(0) 0
(d) 3
5. If the equation x² – bx + 1 = 0 has two distinct roots then
(a) –3 <b<3 (b) -2 <b< 2 (c) b > 2
(d) b<-2​

Answer 1

Answer:

3) a

4) d

5) c

i hope it is helpfull for you

Answer 2

Answer:

a

d

c because of the equation