4i. ( MATHEMATICa ALGEBRA. [SOLUTIONS TO THE EXERCUM. 



14. jH- 



* + ir 1 



2** 



+ Sfc 1. 



INVOLUTION. PAGE 4C1. 



2. (7 W- 24016V*. 



I iliytf'J 1 - 243o'*y' s z" > . 0. ( MAeV) 3 - 5126x'S/ 9 . 



7. (5aVc 4 ) 4 - C25a'6'V . ' 8. ( 2 7 aVy) - 64oxV- 



INVOLUTION. EXAMPLES FOR EXERCISE. PAGE 4GL 

 .(a+4x 

 U + 2x 



2a(o + 2)jc + 4(o 



2. (Sax 4y)'= (Sax 4t/) s (3ax 4y) = (9a*x s 24<trij + 10y.t 



2703X 3 



27ox 3 108ac*i/ +144ait/2 04 y 3 . 



3. a + b + ct 4. 



o+6 + e 3x+2x 



o + ai -f- a< Ox 4 + Gx 3 + 15x* 



at + 6 ! + be Cx 3 + 4x s + 10-e 



a 1 + 2ai + 2a + 1* + 26o + e 1 . &x + 12x + 34X 5 + 20x + 23. 



6. o 26 + 3c 0. {(a-fzX a )}*-(<* a; 2 ) 3 



a 26 + 3c (a 1 ^/(a 1 i 1 ) =(a 2a 1 **+z 



ia 2 z 



a 



2ab + 4i 2 C!j a" 2a*x J + a ! x 



Sac 66c 9c> 



a 



(z + 2)(x 2)} - (z 4) 3 = (* 4)'(x< 



04 



04. 



8. {(2x 3)(2x + 3)) = (4x a 9) 

 (4a; 2 9) (4z 9f = ( 16z 72x2 



1152.c + 129Cx 



1162x + 5184z 6832x 



1296x< 6832x + G5Gl 



250x8 _ 23 o4z + 777Cz UC04* 1 + C5GL 



0. (x a)' + 2ax-x a 2ai + a + 2ax = x 1 + a 1 

 And (** + a") - (i + So"! 1 + a 



2a 1 x" + a*x 





Be* Example J, p. 480. Scc.Example 8, p. JO. t Set Note, p. 4GJ. 



