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26.Show that7 +47-16-46-Vi,5-2 |
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Answer» 1/3-√8-1/√8-√7+1/√7-√6-1/√6-√5+1/√5-2=5Now,1/3-√8 = 3+√8, 1/√8-√7 = √8+√7,1/√7-√6 =√7+√6,1/√6-√5 = √6+√5,1/√5-2 =√5+2∴ 1/3-√8-1/√8-√7+1/√7-√6-1/√6-√5+1/√5-2= 3+√8-√8-√7+√7+√6-√6-√5+√5+2=3+2 = 5Hence proved. |
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