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If ∣∣∣→a⋅→b∣∣∣=∣∣∣→a×→b∣∣∣, then the acute angle between →a and →b is (a) 30∘ (b) 45∘ (c) 60∘ (d) 90∘ |
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Answer» If ∣∣∣→a⋅→b∣∣∣=∣∣∣→a×→b∣∣∣, then the acute angle between →a and →b is (a) 30∘ (b) 45∘ (c) 60∘ (d) 90∘ |
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