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![[Post New]](/templates/default/images/icon_minipost_new.gif) 16 Mar 2007 23:26:34 IST
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plz chk this...
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16 Mar 2007 23:34:06 IST
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ans i d
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16 Mar 2007 23:38:21 IST
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no the answer is (a)
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16 Mar 2007 23:54:36 IST
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let y = sq root of ab +(a-b)sqrootof above expression
then y^2=ab+(a-b)y
y^2-(a-b)y-ab=0
by solving theis quadratic equation we get:
y= a nd y=-b
thus the value of the above expression depend on both a and b
so the ans. is (d)
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nobody is perfect......i m nobody.............. |
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17 Mar 2007 01:23:06 IST
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sry forgot to mention that y=-b is not possible as the expression must be positive thus, y=a only thus the above expression is independent of b answer is (a) thank u..........
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nobody is perfect......i m nobody.............. |
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17 Mar 2007 19:27:37 IST
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hey thnx once again ankur...i had some idea of doing this...rating u...
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