((5 1/2 + 2 1/2 ) 1/2 + (5 1/2 -2 1/2 ) 1/2 ) / (5 1/2 +1) 1/2
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(51/2 + 21/2)1/2+(51/2-21/2)1/2/(51/2+1)1/2
=72/2*1/2+ 30/2*1/2 / 53/2 *1/2 =72/4+30/4 / 53/4 =102/4*4/53=1.92
=72/2*1/2+ 30/2*1/2 / 53/2 *1/2 =72/4+30/4 / 53/4 =102/4*4/53=1.92
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Answer:
(51/2 + 21/2)1/2+(51/2-21/2)1/2/(51/2+1)1/2
=72/2*1/2+ 30/2*1/2 / 53/2 *1/2 =72/4+30/4 / 53/4 =102/4*4/53=1.92
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