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If the vectors 2 hati +2 hatj - hat...

If the vectors ` 2 hati +2 hatj - hatk and 3 hati - 6hatj +nhatk ` are mutually perpendicular, find the value of n ?

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`-6`
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Knowledge Check

  • IF the vectors a = hati + hatj + hatk , b = hati - hatj + 2 hatk and c= x hati +(x-2) hatj - hatk are coplanar , then x=

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  • If the point whose position vectors are 2hati+hatj+hatk, 6hati-hatj+2hatk and 14hati-5hatj+phatk collinear, then the value of p is

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