1 
Cafe VI. Given/>, #, r; Required m. 
Since A — . Therefore m — p A. 
P r 
Cafe VII. Given a, p, r; Required m. 
. Since — — — - — . Therefore m — — — — 
pa — rp a — rp 
Cafe VIII. Given a y />, Required m. 
Find G=5 |” +, ;H=-J =; K-Vh-2 G-ixH. 
P in - 1 
Now, H — * K r= r by 4th. But r -f- ii” ~ 
Therefore in rz r -j- 1]" X p> 
Cafe IX. Given a , «, r j Required p. 
Since A — 1 X a = pr A. Therefore / zz A ~ 1 * * 
Cafe X. Given m y n y r j Required p. 
Since A = — .Therefore p — 
P A 
Cafe XI. Given a , r ; Required 
Since = 2 . 
a p mr + a 
U U U 2 < 
- = — . Therefore p = — — 
Vi * wr X 
Cafe XII. 
