The area of the triangle where two sides are given by \(\left( {2\bar i - 7\bar j + \bar k} \right)\;\)and \(\left( {4\bar j - 3\bar k} \right)\)is

The area of the triangle where two sides are given by \(\left( {2\bar

1.	The area of the triangle where two sides are given by \(\left( {2\bar i - 7\bar j + \bar k} \right)\;\)and \(\left( {4\bar j - 3\bar k} \right)\)is
A.	17
B.	\(\frac{{17\sqrt {489} }}{2}\)
C.	17/4
D.	\(\frac{{\sqrt {389} }}{2}\)
Answer» E.