For 0

" if " f(0) = |{:(sin 0 ,,cos 0,,sin 0),(cos0,,sin0,,cos0),(cos0,, sin 0,,sin 0):}| then

Find the area of the triangle vertices are (0, 0), (3, 0) and (0, 2)

The position vectors of the four angular points of a tetrahedron OABC are (0, 0, 0); (0, 0,2) , (0, 4,0) and (6, 0, 0) respectively. A point P inside the tetrahedron is at the same distance r from the four plane faces of the tetrahedron. Find the value of r

Find the sum of 0.40 + 0.43 + 0.46 + .... + 1.

Evaluate lim_(x to 0) where f(x)={:{(|x|/x, x ne 0),(0, x=0):}

Find the orthocentre of the triangle whose vertices are (0,0),(3,0), and (0,4)dot

The value of |(a, 0,0),(0,b,0),(0,0,c)|^(2) is …………………

If A_1=[(0, 0, 0, 1), (0, 0, 1, 0), (0, 1, 0, 0), (1, 0, 0, 0)],A_2=[(0, 0, 0,i),(0, 0,-i, 0), (0,i,0, 0),(-i,0, 0, 0)],t h e nA_i A_k+A_k A_i is equal to a. 2Iifi=k b. Oifi!=k c. 2lifi!=k d. O always