Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Mathematics Quadratic Equations Sum and Product of Roots
If x2 - 3x + 2 is a factor of x4 - ax2 + b, then the equation whose roots are a and b is
1
x2 - 9x - 20 = 0
2
x2 - 9x + 20 = 0
3
x2 + 9x - 20 = 0
4
More than one of the above
5
None of the above