88 Algebra. 



Ti. Solve axV .rH- 3/ =^- 



12. Solve x~^—2x~^—%. 



2 i 



/J. Solve X"— 5;t-" + 4=o. 



/^. Solve 3-r— 20=7 V-^. 



J. 1 

 75. Solve iO-r2«-|_j^„_j_24=o. 



/<5 . Sol ve T T o.r~^ +1 = 21 x~'^. 



—1. 

 ly. Solve \/-^4-4-^" ^ = 5- 



/c? . Solve T^x^ — 4^ + V 3-^^ — 4-^' — 6 = 1 8 . 



ig. Prove that the equation :r^— 97:1"*+ 1500=204 is equiva- 

 lent to the equation (x^—\^)(x^—%\) = o. 



1 -?- A 



20. Solve 2:t:'^ — 3Jt:^-f .t:^ = o. 



Result : x=o, or i, or 8. 



21. ^o\\^ (x—a)"-\-- ,-=r. 



(x—a)" 

 3 3 



^p. Solve 8.t-2«— 8.r 2«=63. 



L L ± 



23. Solve -^-^-f8,rH9-^-"=o. 



