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If bar(P) - bar(Q) vec(R ) and P = Q = R...

If `bar(P) - bar(Q) vec(R ) and P = Q = R`. Angle between `bar(P) and bar(Q) " is " beta`. Angle between `bar(P) " & " bar(R ) " is " alpha`. If `""^(beta)//_(alpha)` value is n/2 find n.

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Knowledge Check

  • vec(P), vec(Q), vec(R ), vec(S) are vectors of equal magnitude. If bar(P) + vec(Q) - vec(R )= O angle between vec(P) and vec(Q) " is " theta_(1) . If bar(P) + bar(Q) - bar(S) = O angle between bar(P) and bar(S) " is " theta_(2) . The ratio of bar(theta)_(1) " to " theta_(2) is

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    A
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    A
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