Question

answer these question please..​

Answer 1

Step-by-step explanation:

I hope it will helpful u ✌✌✌

Answer 2

Answer:

answer is b) 3

Step-by-step explanation:

x-1=0

x=1

putting the value of x in the given eq.

$4 {(1)}^{3} - 3 {(1)}^{2} - 4(1) + k = 0 \\ 4 - 3 - 4 + k = 0 \\ - 3 + k = 0 \\ k = 3$