1.

11. The values of "K" for which the egnx + 5kx +16 = 0 has no real roots (i.e. hascomplex roots) area)b) -3

Answer»

Answer:

Given x , y , z in AP and x^2 , y^2 , z^2 in GP and average of x , y , z is 1/2 and x

Step-by-step explanation:

11. The VALUES of "K" for which the egn

x + 5kx +16 = 0 has no real roots (i.e. has

complex roots) are

a)

B) -3

5

5

c) 3/2

2. Solutions of the equation V2x+ 2x+4 = 4 are

Solstions of the equation 12 + 12X +4 - 4are

a) 6:

c) 0;

d) None

2

A TRAIN travels of a distance of 300 km a


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