Question

1. Find the value(s) of k so that, the quadratic equation
x2 - 4kx +k = 0 has equal roots.
​

Answer 1

Answer:

For equal roots D = 0

So,

D = b² - 4ac

= (4k)² + 4(1)(k)

= 16k² + 4k

0 = 4k(4k + 1)

k = 0, 1/4

Answer 2

Qིྀuིྀeིྀsིྀtིྀiིྀoིྀnིྀ

Find the value(s) of k so that, the quadratic equation

x2 - 4kx +k = 0 has equal roots.

ɐusʍəɹ

ᶠᴼᴿ ᴱᵟᵁᴬᴸ ᴿᴼᴼᵀˢ ᴰ=0

ˢᴼ,

ᴰ=ᴮ2-4ᴬᶜ

(4ᴷ)2+4(1)

(ᴷ)16ᴷ2 +4ᴷ

0=4ᴷ(4ᴷ+1)

ᴷ=0,1/14