Question

If (1), (2. m, n) are d.cs of two intersecting lines, show that d.c.s of two lines
bisecting the angles between them are proportional tol, bm, # m, n, l.
x​

Answer 1

Answer:

$31334 \times = { \times \times = {03 \times { | \geqslant \geqslant \leqslant \leqslant { { \\ \\ \\ }^{?} }^{?} | }^{?} }^{?} \times \frac{?}{?} }^{2}$