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yuni
Questions and answers by visitors named
yuni
Questions (3)
the position vectors of the point A,B & C respect to O are a=3i-2j+4k, b=i+3j-4k, c=-2i+5j-3k. Find
a)the angle between a+b and
1 answer
408 views
Find the interior angle formed by points A(1,5,3) , B(-2,3,7) , C(3,2,5).
does this mean i need to find all the 3 angles of
1 answer
376 views
KMn04 with iron(II) ammonium sulphate hexahydrate-redox titration.
1-what is the purpose of adding H2SO4 to iron sample before
3 answers
983 views