Question: 2. Let a, b E R. Show that the following identities hold. 2 12 = 2|| a | + 2|| 6 = 4( a

2. Let a, b E R". Show that the following identities hold.

2. Let a, b E R". Show that the following identities hold. 2 12 = 2|| a | + 2|| 6 = 4( a 6). 2 i. a + a ii. a + 6 a -

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