Question

enriching the curriculum to provide for overall development of children rather than remains textbooks centric
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Answer 1

Answer:

please answer this and no spam please

The question is to find the value of the determinant and the expression given when a,b,c are coplanar vectors and a is not parallel to b

the first determinant consists of the values as c.a, a.b, c.b and b.b (just in case the question is not visible)

Answer 2

Answer:

Extractive metallurgy is the practice of removing valuable metals from an ore and refining the extracted raw metals into a purer form. Hydrometallurgy uses aqueous solutions to extract metals from ores ( leaching ). Pyrometallurgy involves high temperature processes where chemical reactions take place.