if a and b are roots of equation x2−2x+√32=0, and x4+px2+q=0, what is p?
First work out what the roots of the first one are.
Use the quadratic formula.
Come back with your answer.
Since it's already 6 hours, might as well hint a bit.
My latex is a bit sluggish so forgive the frac sitting there.
x=−(−2)±√4−4/frac√3/22