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(2,3,-4),(-1,0,5),(3,4,-7) show that the set of points are collinear

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in a triangle ABC if angle A is equal to 30 and B:c=2:root 3 find Angle B

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help me pls

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Please solve my problem

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The Acirc; nbsp;angle Acirc; nbsp;between Acirc; nbsp;the Acirc; nbsp;lines Acirc; nbsp;x=1, Acirc; nbsp;y=2 Acirc; nbsp

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If direction ratios of two vectors given by the relations a + b + c = 0 and c2 = a2 + b2, then acute angle between these

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The value (s) of x for which Icirc; #8221;ABC formed by A acirc; #8240; iexcl; (3, x, 4), B acirc; #8364; #8249; acir

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pls answer 107

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