Saved Bookmarks
| 1. |
Express with rational denominator(3+2sqrt(-1))/(2-5sqrt(-1))+(3-2sqrt(-1))/(2+5sqrt(-1)) |
|
Answer» SOLUTION :`(3+2sqrt(-1))/(2-5sqrt(-1))+(3-2sqrt(-1))/(2+5sqrt(-1))=(3+2i)/(2-5i)+(3-2i)/(2+5i)` `((3+2i)(2+5i)+(3-2i)(2-5i))/((2-5i)(2+5i))` `(6+15i+4i+10i^2+6-15i-4i+10i^2)/(4-15i^2)` `(12-20)/(4+25)=-8/(29)` |
|