दर्शाइए की दिए हुए निमिन्लिखित सदिशो में...

दर्शाइए की दिए हुए निमिन्लिखित सदिशो में से प्रत्येक मात्रक सदिश है!
`(1)/(7)(2hati+3hatj+6hatk),(1)/(7)(6hati+2hatj-3hatk)`
यह भी दर्शाइए की ये सदिश परस्पर एक दूसरे के लंबवत है!

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