212k views
1 vote
What are the real or imaginary solutions of the polynomials x4 -­52x2 + 576 = 0

a. No Solution
b. -4,4,-6,6
c. -4, -6
d. 0,4,6

User Fringley
by
7.6k points

1 Answer

1 vote
Hello,

Answer B

x^4-52x²+576=0
==>x^4-16x²-36x²+576=0
==>x²(x²-16)-36(x²-16)=0
==>(x²-16)(x²-36)=0
==>(x+4)(x-4)(x+6)(x-6)=0


User Jondlm
by
8.0k points