1]   7 th root of 12+x/x  +7 th root of 12+x/12  =64/3*7th root of x

2...   { [5-x]*root of 5-x + [x-3]*root of x-3}/root of 5-x+root of x-3
 
 
 
3.]  {3*[x-2]+4* root of 2x^2-3x+1}/2*[x^2-1]

Asked by SWETHA v | 13th Jul, 2014, 02:11: PM

Expert Answer:

Dear lakshmi161269@yahoo.com

1. space P l e a s e space v e r i f y space y o u r space q u e s t i o n space a n d space u s e space p r o p e r space b r a c k e t s space s o space t h a t space w e space c a n space u n d e r s tan d space y o u r space q u e s t i o n space w e l l. space 2. space fraction numerator open parentheses 5 minus x close parentheses to the power of begin display style 3 over 2 end style end exponent plus open parentheses x minus 3 close parentheses to the power of begin display style 3 over 2 end style end exponent over denominator open parentheses 5 minus x close parentheses to the power of 1 half end exponent plus open parentheses x minus 3 close parentheses to the power of 1 half end exponent end fraction  open parentheses 5 minus x close parentheses to the power of 3 over 2 end exponent plus open parentheses x minus 3 close parentheses to the power of 3 over 2 end exponent equals open square brackets open parentheses 5 minus x close parentheses to the power of 1 half end exponent close square brackets cubed plus open square brackets open parentheses x minus 3 close parentheses to the power of 1 half end exponent close square brackets cubed equals a cubed plus b cubed  W e space k n o w space t h a t space a cubed plus b cubed equals left parenthesis a plus b right parenthesis left parenthesis a squared plus b squared minus a b right parenthesis  fraction numerator open parentheses 5 minus x close parentheses to the power of begin display style 3 over 2 end style end exponent plus open parentheses x minus 3 close parentheses to the power of begin display style 3 over 2 end style end exponent over denominator open parentheses 5 minus x close parentheses to the power of 1 half end exponent plus open parentheses x minus 3 close parentheses to the power of 1 half end exponent end fraction equals open square brackets open parentheses 5 minus x close parentheses to the power of 1 half end exponent close square brackets squared plus open square brackets open parentheses x minus 3 close parentheses to the power of 1 half end exponent close square brackets squared minus open square brackets open parentheses 5 minus x close parentheses to the power of 1 half end exponent close square brackets open square brackets open parentheses x minus 3 close parentheses to the power of 1 half end exponent close square brackets equals 5 minus x plus x minus 3 minus square root of open parentheses 5 minus x close parentheses open parentheses x minus 3 close parentheses end root equals 2 minus square root of 8 x minus x squared minus 15 end root  A b o v e space e x p r e s s i o n space c a n space b e space r e d u c e d space t o space t h i s space f o r m  3. space C a n space y o u space p l e a s e space c l a r i f y space o n space y o u r space 3 r d space q u e s t i o n. space W h a t space d o space y o u space w a n t space t o space f i n d space i n space t h e space t h r d space q u e s t i o n space a n d space p l e a s e space c h e c k space t h e space e x p r e s s i o n space t o o comma space

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Answered by Dharma Teja | 14th Jul, 2014, 09:19: AM

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