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CBSE Class 9 Answered

prove that
open parentheses x to the power of b over x to the power of c close parentheses to the power of b plus c minus a end exponent cross times open parentheses x to the power of c over x to the power of a close parentheses to the power of c plus a minus b end exponent cross times open parentheses x to the power of a over x to the power of b close parentheses to the power of a plus b minus c end exponent equals 1
Asked by Neeru | 01 May, 2016, 01:29: PM
answered-by-expert Expert Answer
begin mathsize 16px style C o n s i d e r space l e f t space h a n d space s i d e space o f space t h e space g i v e n space e x p r e s s i o n colon open parentheses x to the power of b over x to the power of c close parentheses to the power of b plus c minus a end exponent cross times open parentheses x to the power of c over x to the power of a close parentheses to the power of c plus a minus b end exponent cross times open parentheses x to the power of a over x to the power of b close parentheses to the power of a plus b minus c end exponent equals x to the power of b open parentheses b plus c minus a close parentheses end exponent over x to the power of c open parentheses b plus c minus a close parentheses end exponent cross times x to the power of c open parentheses c plus a minus b close parentheses end exponent over x to the power of a open parentheses c plus a minus b close parentheses end exponent cross times x to the power of a open parentheses a plus b minus c close parentheses end exponent over x to the power of b open parentheses a plus b minus c close parentheses end exponent space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals x to the power of b open parentheses b plus c minus a close parentheses minus b open parentheses a plus b minus c close parentheses end exponent cross times x to the power of c open parentheses c plus a minus b close parentheses minus c open parentheses b plus c minus a close parentheses end exponent cross times x to the power of a open parentheses a plus b minus c close parentheses minus a open parentheses c plus a minus b close parentheses end exponent space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals x to the power of b open parentheses b plus c minus a minus a minus b plus c close parentheses end exponent cross times x to the power of c open parentheses c plus a minus b minus b minus c plus a close parentheses end exponent cross times x to the power of a open parentheses a plus b minus c minus c minus a plus b close parentheses end exponent space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals x to the power of b open parentheses 2 c minus 2 a close parentheses end exponent cross times x to the power of c open parentheses 2 a minus 2 b close parentheses end exponent cross times x to the power of a open parentheses 2 b minus 2 c close parentheses end exponent space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals x to the power of open parentheses 2 b c minus 2 a b close parentheses end exponent cross times x to the power of open parentheses 2 a c minus 2 b c close parentheses end exponent cross times x to the power of open parentheses 2 a b minus 2 a c close parentheses end exponent space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals x to the power of open parentheses 2 b c minus 2 a b plus 2 a c minus 2 b c plus 2 a b minus 2 a c close parentheses end exponent space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals x to the power of 0 space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals 1 T h u s comma space L. H. S space equals space R. H. S H e n c e space p r o v e d. end style
Answered by Vimala | 02 May, 2016, 09:05: AM

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