Question

the discriminant of x2-2x(r2-1)is​

Answer 1

Answer:

4x^2(r^2-1)^2

Step-by-step explanation:

D=b^2-4*a*c

since here the 'c' is 0, therefore the term '-4ac' is also 0

So discriminant is b^2

    and b^2 is  4x^2(r^2-1)^2