1.

If →a is a perpendicular to →b and →c,∣∣→a∣∣=2,∣∣∣→b∣∣∣=3,∣∣→c∣∣=4 and the angle between →b and →c is 2π3,then ∣∣∣[→a →b →c]∣∣∣ is equal to

Answer»

If a is a perpendicular to b and c,a=2,b=3,c=4 and the angle between b and c is 2π3,then [a b c] is equal to



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