Question: Find a . b. lali= 2,1 1 1b| = 5, the angle between a and b is 27/3 Find a b. lal = 2 Ibl

Find a b. lal = 2 Ibl = 5, the angle between

a and b is 2n/3

Find a . b. lali= 2,1 1 1b| = 5, the angle between a and b is 27/3

Find a b. lal = 2 Ibl = 5, the angle between a and b is 2n/3

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