Question

if x-2k is a factor of f(x)=x^4-4k²x2+2x3k+3​

Answer 1

As x- 2k isfactor

put x= 2k in f(x)

(2k)^4 - 4k^2( 2k)^2 + 2(2k)^3k +3 = 0

16 k^4 -16k^4 + 16k^4 +3 = 0

16 k^4 = -3

As k^4 is always positive

So please check the question

f(x) is wronh