If vec(a) + 2vec(b) + 4 vec(c )= vec(0),...

If `vec(a) + 2vec(b) + 4 vec(c )= vec(0)`, then `vec(a) xx vec(b) + vec(b) xx vec(c )+ vec(c )xx vec(a)=`

`1(vec(b) xx vec(c ))`

`2(vec(b) xx vec(c ))`

`7(vec(b) xx vec(c ))`

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AAKASH SERIES-VECTOR (CROSS) PRODUCT OF TWO VECTORS-Exercise-II

Match the following
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p vec(a) is a vector perpendicular to vec(i) and vec(j) whose magnitud...
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If vec(a) + 2vec(b) + 4 vec(c )= vec(0), then vec(a) xx vec(b) + vec(b...
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If vec(a) xx vec(b) = vec(b) xx vec(c )= vec(c )xx vec(a), where vec(a...
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If vec(a) + vec(b) + vec(c )= vec(0) and |vec(a) xx vec(b)|=3, then |v...
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If (vec(a) xx vec(b))^(2) + (vec(a).vec(b))^(2)=144 and |vec(a)|=4" th...
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If vec(p)= vec(a)-vec(b), vec(q)= vec(a) + vec(b), |vec(a)|= |vec(b)|=...
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If vec(i), vec(j), vec(k) are unit orthonormal vectors and vec(a) is a...
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Assertion (A): Let vec(a) = a(1) vec(i) + a(2) vec(j) + a(3) vec(k). T...
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If vec(a), vec(b) are not perpendicular to each other and vec(r ) xx v...
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If vec(r ) xx vec(a) = vec(b) xx vec(a), vec(r ) xx vec(b) = vec(a) xx...
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Let vec(a)= vec(i) + vec(j), vec(b)= 2vec(j)-vec(k). If vec(r ) xx vec...
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If vec(a) = vec(i) + 2vec(j) - 3vec(k), vec(b)= 2vec(i) + vec(j) - vec...
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If |vec(a)|=sqrt3, |vec(b)|=2, (vec(a), vec(b))= (pi)/(3), then the ar...
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Observe the following statements: Assertion (A) : If vertices of a t...
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The vector area of the parallelogram whose adjacent sides vec(i) + vec...
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Arrange the following in ascending order of magnitude (A) Area of pa...
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If ABCD is a quadrillateral such that vec(AB) = vec(i) + 2vec(j), vec(...
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vec(OA)= vec(a), vec(OB)= 10vec(a) + 2vec(b), vec(OC)= vec(b) where O,...
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The distance of the point B with P.V. vec(i) + 2vec(j) + 3vec(k) from ...
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