A=2i+3j-6kandB=4i+2j+3kevaluate A×B
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AxB =(2i+3j-6k)x(4i+2j+3k)
= i(3x3-2x(-6)) -j(2x3-4x(-6))+k(2x2-4x3)
= i(9+12)-j(6+24)+k(4-12)
=21i-30j-8k
= i(3x3-2x(-6)) -j(2x3-4x(-6))+k(2x2-4x3)
= i(9+12)-j(6+24)+k(4-12)
=21i-30j-8k
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