Pls solve

Asked by pankaj.shukla2 | 4th Jul, 2018, 10:18: PM

Expert Answer:

begin mathsize 16px style To space prove colon space open parentheses straight x to the power of 1 half end exponent space plus straight y to the power of 1 half end exponent close parentheses space open parentheses straight x to the power of 1 half end exponent space minus straight y to the power of 1 half end exponent close parentheses space equals space straight x space minus space straight y straight L. straight H. straight S space equals space space open parentheses straight x to the power of 1 half end exponent space plus straight y to the power of 1 half end exponent close parentheses space open parentheses straight x to the power of 1 half end exponent space minus straight y to the power of 1 half end exponent close parentheses space space space space space space space space space space equals space open parentheses square root of straight x space plus space square root of straight y close parentheses space open parentheses square root of straight x space minus space square root of straight y close parentheses space space space space space space space space space space equals space open parentheses square root of straight x close parentheses squared space minus space space open parentheses square root of straight y close parentheses squared space...... since space left parenthesis space straight a minus straight b right parenthesis space left parenthesis straight a space plus space straight b right parenthesis space equals straight a squared space minus space straight b squared space space space space space space space space space space equals space straight x space minus space straight y space space space space space space space space space space equals space straight R. straight H. straight S end style

Answered by Yasmeen Khan | 5th Jul, 2018, 11:04: AM

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