Question

determine the value o k such that the first polynomial is divisible by the second k²x⁴-3kx²-4 : x-1

Answer 1

as x-1 is a factor of the expression, place 1 in place of x in the polynomial and make it zero to find the value of k..
k^2-3k-4=0
(k+1)(k-4)=0
so, k=4,-1

Answer 2

@TomasJoao , look at this ^^