Question

please help me fast
for only genius person no spam

Answer 1

hope this helps you☺️

Answer 2

alpha + beta=-1 and alpha * beta =-2

(beta+alpha)to the power 2 - (beta - alpha)2 = 4 alpha *beta

=> (B- a)2 = (a+b)2-4ab=(-1)2 -4 *(-2)=9

=>b-a=3

so, (1/a -1/b)=(b-a)/a*b=3/-2 or -3/2

so the answer is -3/2