1.

If and are the roots of the equation x2 + x - 1 = 0, then what is the equation whose roots are and 5 and 5 ?

A. $$x^2 - 11x - 1 = 0 $$
B. $$x^2 + 11x - 1 = 0$$
C. $$x^2 + 7x - 1 = 0 $$
D. $$x^2 - 7x- 1 = 0 $$
Answer» C. $$x^2 + 7x - 1 = 0 $$


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