rationalise 5-2 root2 by 5+2root2
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(5-2√2)/(5+2√2)
=(5-2√2)(5-2√2)/(5+2√2)(5-2√2)
=(25+8-20√2)/(25-8)
=(33-20√2)/17
=(5-2√2)(5-2√2)/(5+2√2)(5-2√2)
=(25+8-20√2)/(25-8)
=(33-20√2)/17
kinnisrivastava:
thank u..
wlcm
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