Question

for what value of k the poly
1 (se) = 3x4 +9x² + x² +15x + k.
completely
divisible by x ²-5​

Answer 1

Answer:

12+9(√5)²+(√5)²+15(√5)+k

12+9(5)+(5)+15(√5)+k

12+45+5+15√5+k

77+15√5+k=0

15√5+k=-77

k=-77-15√5