Question

If a and b are the roots of $x^2 + x - 2 = 0$, then the quadratic equation in x whose roots are $\frac1a + \frac1b$ and ab is:

• A. $$2x^2+3x-2=0$$
• B. $$2x^2-5x-2=0$$
• C. $$2x^2+5x-2=0$$
• D. $$2x^2-3x+2=0$$

Answer 1

Answer:

$$2x^2+3x-2=0$$

Conclusions II and III follow