sinα≤1 \*ab
absinα≤ab ⇒ ab≥S
b>h1
a>h2
to ab>h1*h2 i ab≥S
to S≥h1*h2
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(h1+h2)2 ≥ 4h1h2
i S≥h1h2
mnożąc stronami
S(h1+h2)2≥ (2h1h2)2
√S(h1+h2) ≥ 2h1h2
=================
c.n.w.
| 5^2 | 52 |
| 2^{10} | 210 |
| a_2 | a2 |
| a_{25} | a25 |
| p{2} | √2 |
| p{81} | √81 |
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