Math, asked by olorunsolaemmanuelab, 7 months ago

If a = 2i + 3j and b = 4i + j, Find a.b

Answers

Answered by Meghbarno

0

Answer:

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Step-by-step explanation:

ab

=(2i+3j) ( 4i+j)

= 8i^2+ 2ij + 12ji+ 3j^2

=8i^2+14ij+3j^2

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