Find the value of parameter m that vector p->=ma->+17b-> and vector q->=3a->-b-> would be across if |a->|=2 and |b->|5 and the angle between a-> and b-> is 120 degree.

The math book shows that the answer is 40.

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- November 19th 2005, 01:47 AMtotalnewbieUrgent: Vectors
Find the value of parameter m that vector p->=ma->+17b-> and vector q->=3a->-b-> would be across if |a->|=2 and |b->|5 and the angle between a-> and b-> is 120 degree.

The math book shows that the answer is 40. - September 12th 2012, 09:10 AMinoidRe: Urgent: Vectors