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Let ^α,^β,^γ be three unit vectors such that ^α×(^β×^γ)=12(^β+^γ) where ^α×(^β×^γ)=(^α.^γ)^β−(^α.^β)^γ. If ^β is not parallel to ^γ, then the angle between ^α and ^β is |
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Answer» Let ^α,^β,^γ be three unit vectors such that ^α×(^β×^γ)=12(^β+^γ) where ^α×(^β×^γ)=(^α.^γ)^β−(^α.^β)^γ. If ^β is not parallel to ^γ, then the angle between ^α and ^β is |
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