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यदि bar(a),bar(b),bar(c) तीन असमतलीय सदि...

यदि `bar(a),bar(b),bar(c)` तीन असमतलीय सदिश हों, तो
`(bar(a)cdot (bar(b)xxbar(c)))/((bar(c)xxbar(a))cdot bar(b))+(bar(b)cdot (bar(a)xxbar(c)))/(bar(c)cdot (bar(a)xxbar(b)))` का मान ज्ञात कीजिए |

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If (bar(b)xxbar(c))xx(bar(c)xxbar(a))=3bar(c) then [bar(b)xxbar(c)bar(c)xxbar(a)bar(a)xxbar(b)]=

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(bar(a)+bar(b))xx(bar(a)-bar(b))+(bar(b)+bar(c))xx(bar(b)-bar(c))+(bar(c)+bar(a))xx(bar(c)-bar(a))=

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(bar(a)+bar(b))xx(bar(a)-bar(b))+(bar(b)-bar(c))xx(bar(b)-bar(c))+(bar(c)+bar(a))(bar(c)-bar(a))=

If bar(a) is parallel to bar(b)xxbar(c), then (bar(a)xxbar(b))(bar(a)xxbar(c))=

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If [bar(a)bar(b)bar(c)]=1 then (bar(a)(bar(b)xxbar(c)))/((bar(c)xxbar(a))*bar(b))+(bar(b)*(bar(c)xxbar(a)))/((bar(a)xxbar(b))*bar(c))+(bar(c)(bar(a)xxbar(b)))/((bar(b)xxbar(c))*bar(a))