Question 4. Let o(u, v): R² patch). Let E = 0₁ Ou, F = equalities hold: R³ be a smooth function (not necessarily a surface = 0₁ 0₂ and G = ₂₂. Show that the following . ||o₁ x 0₂||²= det ((Do)T (Do)) = EG – F². (Here D denotes total derivative.)

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Chapter2: Second-order Linear Odes
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Question 4. Let o(u, v): R²
patch). Let E = 0₁ Ou, F =
equalities hold:
R³ be a smooth function (not necessarily a surface
= 0₁ 0₂ and G = ₂₂. Show that the following
.
||o₁ x 0₂||²= det ((Do)T (Do))
(Here D denotes total derivative.)
= EG – F².
Transcribed Image Text:Question 4. Let o(u, v): R² patch). Let E = 0₁ Ou, F = equalities hold: R³ be a smooth function (not necessarily a surface = 0₁ 0₂ and G = ₂₂. Show that the following . ||o₁ x 0₂||²= det ((Do)T (Do)) (Here D denotes total derivative.) = EG – F².
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