A Nice Radical Problem || A nice Olympiad question || Math problem solving

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A Nice Radical Problem || A nice Olympiad question || Math problem solving

In this video we will solve a nice radical Problem
Exponential problem
Polynomial problem
Radical problem
Math problem
Olympiad problem
#thinknderive #olympiad #exponential #math #algebra #problemsolving

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根本用錯公式, 係(a-b)^2 = a^2+b^2 -2ab. 當a和b都是一正數時, (a+b)^2 怎會出現一個負的2ab呢

rogermonk
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Let us solve a problem that is different from the one we were given

Chinguenguenza
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√(√121 + √120) = √(11+ 2√30). Shortcut available? Got the key coefficient of 2 in the second term. 6 + 5 = 11 and 6 x 5 = 30. Yep, shortcut available. Automatic: √6 + √5. Keep it simple.

jim
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In the presentation the sign is (-), not (+)

BrunoPessolani