If Ã=i+j+k and B = 2i+j find (a) A:B (b) Àx B
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(a)→. A:B―A÷B = i+j+k/2i+j
= i+k answer
(b)→. A×B. = i+j+k × 2i+j
=3i+2j+k. answer
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