Its part 2...

Algebra Level 5

\(x^4+(1-2k)x^2+k^2-1=0\), where \(k\) is real. If \(x^2\) is imaginary, or \(x^2<0\), the equation has no real roots.If \(x^2>0\), the equation has real roots

The equation has four real roots if \(k\in\)

\(A)\)- \((-\infty,0)\)

\(B)\)- \((-1,1)\)

\(C)\)- \((1,\frac{5}{4})\)

\(D)\)- \((1,\infty)\)

×

Problem Loading...

Note Loading...

Set Loading...