| r^2 + s^2 =u^2 + v^2 . How to show it? |
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Mathematical Writing |
| r^2 + s^2 =u^2 + v^2 . How to show it? | |
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r^2 + s^2 =u^2 + v^2 ? (1)It is not enough to show above equality. (2)r^2 + s^2 =(1-r)^2 + (1-s)^2 2(r+s)=2 r+s =1 so.. we need two condition to answer for the question. |