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Show that the points A(2bar(i)-bar(j)+ba...

Show that the points `A(2bar(i)-bar(j)+bar(k)), B(bar(i)-3bar(j)-5bar(k)), C(3bar(i)-4bar(j)-4bar(k))` are the vertices of a right angled triangle.

Text Solution

Verified by Experts

The correct Answer is:
`B= Cos^(-1)sqrt((6)/(41)), C= Cos^(-1)sqrt((35)/(41))`.
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