I. 

 II. 



III. 



— i4 7 — 



F (!?-)' * K <$< (|?) 4- 1. (^) (|^ * M $> = o ; 



(3F (g)f + qK (g) (|*) + L<^ (£) 4- (K §•)• 

 + 2 L <g> O + 3 M (llY) (g) + (3 F («) fg») 

 + » K (g) ££) + S Q 0) + B I- (H) (£f) 

 + L (I?) (|f ) + 3 M (£f) + N (£)* + P 



+ QO') n = »; " 



(3F (ff) +K O) (g)+.< 2 K (g) + s L (g)) g$ 

 + (L + 3 M (»-*)) (g) + (3 F (|?) + 9 K (*£) 

 + L(^)+ 2 N(^+P ( ^)) + (K(|?).+ 2 L £*j 

 + 3M (||)+P(g)+ 2 Q©) ( »)+F ( p) + K (££) 

 + L O + M (£1) + N (§?) + P (£* ) + Q(f$ 

 + R g2) + S (f?)) n 



+ 3 F (|$) (|ff) + n K (§*) O + K (gj (*»j 

 P,C|*> (||)+L(g) (f£)+ 3 M <£) (fg)+N (f?)< 



+ P(g)(D + G(I!)^o; 



iv. f (&) + K o ,+ l (^) + n o - N £*j 



+ F (*-?) + K (!!!) -, I>(^ ) ^ M &») ** @) 



