1.

If Q(0, -1, -3) is the image of the point P in the plane 3x – y + 4z = 2 and R is the point (3, -1, -2), then the area (in sq. units) of ΔPQR is:

A. 2√13
B. \(\frac{{\sqrt {91} }}{4}\)
C. \(\frac{{\sqrt {91} }}{2}\)
D. \(\frac{{\sqrt {65} }}{2}\)
Answer» D. \(\frac{{\sqrt {65} }}{2}\)


Discussion

No Comment Found

Related MCQs