Question

A
1. Ifa.ß.y are the zeroes of the polynomial f(x) ax3 + bx2 + cx +d, then
) +++
(1)
(ii)
(iii)
(iv) )
2. If one zero of the polynomial x2 +3x +k is 2 , then the value of k is
(i) 10
(ii) -10
(iii) 5
(iv)s
3. If one zero is reciprocal of the other of the polynomial f(x)=(kP+4) x² + 13x +4k, then k -
(i) 2
(ii) -2
(iii) 1
(iv) - 1
4. The diameter of a sphere is 16 cm. It is melted and drawn into a wire of diameter 2rnm
.The length of the wire is
12 m
(ii) 18 m
(iii) 36 m
(iv) 66 m
5. A solid sphere of radius r is melted and recast into the shape of a solid cone of height r,
the radius of the base of the cone is -
(ii) 3r
iii)r
(iv) 4r
6. The maximum volume of a cone that can be carved out of a hemisphere of radius r is -
(i) 2r
(i) 311r
[[r
(iii) [Ir2
(iv) 351
3
3​

Answer 1

Answer:

bbnjvv

Step-by-step explanation:

hhhhhjjn

jjjjiiijjjjjfgvccfff