Question

The equation whose roots are ${\sec }^2\alpha \&{\text{cosec}}^2\alpha$ can be -

• A. $2x^2-x-1=0$
• B. $x^2-3x+3=0$
• C. $x^2-9x+9=0$
• D. $x^2+3x+3=0$

Answer 1

Answer: (C)

Correct answer is (c) $x^2-9x+9=0$