|a| = 2√2, |b| = 3 and angle between a and b is \(\frac{\pi}{4}\), is
A. 15
B. √113
C. √593
D. √369
Answer:C
|a| = 2√2, |b| = 3 and angle between a and b is \(\frac{\pi}{4}\), is
A. 15 B. √113 C. √593 D. √369