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The two vectors hat j+ hat k and 3 hat ...

The two vectors ` hat j+ hat k` and `3 hat i- hat j+4 hat k` represent the two sides `A B` and `A C` , respectively of `triangleABC`. Find the length of the median through A.

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The two vectors hat j+ hat k and 3 hat i- hat j+4 hat k represent the two side vectors vec A B and vec A C respectively of triangle A B Cdot Find the length of median the through Adot

Two vectors hat j + hat k and 3 hat i - hat j + 4 hat k represents the two side vectors vec AB and vec AC respectively of Delta ABC Find the length of median from A.

If the vectors vec(A) B = 3 hat(i)+4 hat (k) and vec(AC) = 5 hat(i)-2 hat(j)+4hat(k) are the sides of a triangle ABC, then the length of the median through A is

The vectors 2 hat(i) + 2 hat(j) + 4 hat(k) and 6 hat(i) represent the two sides of a triangle . Find the following . a vector perpendicular to the plane of the triangle .

Show that the points A, B, C with position vectors 2 hat i- hat j+ hat k ,\ hat i-3 hat j-5 hat k and 3 hat i-4 hat j-4 hat k respectively, are the vertices of a right angled triangle. Also, find the remaining angles of the triangle.

Dot product of a vector with hat i+ hat j-3 hat k , hat i+3 hat j-2 hat k and 2 hat i+ hat j+4 hat k are 0,5 and 8 respectively. Find the vector.

Dot product of a vector with hat i+ hat j-3 hat k ,\ hat i+3 hat j-2 hat k\ a n d\ 2 hat i+ hat j+4 hat k are 0, 5 and 8 respectively. Find the vector.

Dot products of a vector with vectors hat i- hat j+ hat k ,\ 2 hat i+ hat j-3 hat k\ a n d\ hat i+ hat j+ hat k are respectively 4, 0 and 2. Find the vector.

Show that the points A, B and C with position vectors, veca=3 hat i-4 hat j-4 hat k , vecb=2 hat i- hat j+ hat k and vecc= hat i-3 hat j-5 hat k respectively form the vertices of a right angled triangle.

Show that the vector 2 hat i- hat j+ hat k ,\ hat i-3 hat j-5 hat k ,\ 3 hat i-4 hat j-4 hat k form the sides of a rights angled triangle.

XII BOARD PREVIOUS YEAR PAPER ENGLISH-BOARD PAPER SOLUTIONS-All Questions
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