1.

The angle between the pair of lines given by →r1=^i+6^j+4^k+λ(2^i−^j+3^k) →r2=4^i+2^j−^k+λ(^i+2^j−^k) is (a) sin−1(32√21) (b) cos−1(32√21) (c) −sin−1(32√21) (d) −cos−1(32√21)

Answer» The angle between the pair of lines given by
r1=^i+6^j+4^k+λ(2^i^j+3^k) r2=4^i+2^j^k+λ(^i+2^j^k) is

(a) sin1(3221) (b) cos1(3221)
(c) sin1(3221) (d) cos1(3221)


Discussion

No Comment Found