Question

1) Let a = 2i −4j +4k and b= 7i −6j +6k . Find a⋅b 2)...

1) Let a = 2i −4j +4k and b= 7i −6j +6k . Find a⋅b

2) Let a = 〈−4,0,1〉 and b = 〈1,2,3〉 Find a×b

3) Let a = 〈−5,1,−4〉 and b = 〈−1,0,−4〉. Find the angle between the vector (in radians)

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