find the zeros of a polynomial FX equal to 2 X ^ 4 - 7 x cube - 5 X square + 14 x + 8 and check the relationship between zeros and coefficient
Answers
Answered by
0
Let the roots be a, b, c, d
a+b+c+d=7/2
ab+ac+ad+bc+bd+cd=-5/2
abc+abd+abd+bcd=-7
abcd=4
a+b+c+d=7/2
ab+ac+ad+bc+bd+cd=-5/2
abc+abd+abd+bcd=-7
abcd=4
Similar questions