Question

find the value of k.​

Answer 1

Answer:

k = 20/9

hope it helps you...✌

Answer 2

Answer:

3x2+kx+8=0

it is in the form of

x2+(a+b)x+a*b=0

where a, b are roots.

a+b=k-(1)

a*b=8 -(2)

a/b=2/3

a=2b/3 -(3)

sub (3) in (2)

2b/3 *b=8

b2/3=4

b2=12

$2 \sqrt{3} = b$

sub b in (2)

$a \times 2 \sqrt{3 } = 8 \\ a = 4 \div \sqrt{3}$

k=a+b simplify