## anonymous 4 years ago The number of quadratic equations having real roots and which do not change by squaring their roots? (a)4 (b)3 (c)2 (d)1

1. anonymous

|dw:1328327805352:dw|

2. anonymous

d $\huge {1^{2}=1^{\frac{1}{2}}=1}$

3. anonymous

by the way .. your font is so beautiful.

4. anonymous

thank you !!!! |dw:1328364446861:dw|