Question

8. In the given figure . AB is a diameter of a circle
with centre 0. If<ABC = 70º <CAD = 30° and
<BAE = 60°.find <BAC, ACD and <ABE.
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Answer 1

Answer:

Determine the point which maximises or minimises the function :

U= x

2

+ xy+y2

+3z2

Subject to : z+2y +4z = 60Determine the point which maximises or minimises the function :

U= x

2

+ xy+y2

+3z2

Subject to : z+2y +4z = 60