Advertisements
Advertisements
प्रश्न
Let `bara = hati - hatj, barb = hatj - hatk, barc = hatk - hati.` If `bard` is a unit vector such that `bara * bard = 0 = [(barb, barc, bard)]`, then `bard` equals ______.
पर्याय
`+- (hati + hatj - 2hatk)/sqrt6`
`+- (hati + hatj + hatk)/sqrt3`
`+-(hati + hatj - hatk)/sqrt3`
`+- hatk`
MCQ
रिकाम्या जागा भरा
Advertisements
उत्तर
Let `bara = hati - hatj, barb = hatj - hatk, barc = hatk - hati.` If `bard` is a unit vector such that `bara * bard = 0 = [(barb, barc, bard)]`, then `bard` equals `underlinebb(+- (hati + hatj - 2hatk)/sqrt6)`.
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
