Linear equation

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by akhilkathuria » Sat Sep 26, 2009 11:06 am
Sure buddy.

root of (X^2 - 6X +9) = (x-3)^2
now every expression under the root is positive.
So root of (x-3)^2 = x-3 (have to take positive)

now add x-3 + root of (2-x) + x-3

give you the answer 2x-6+ root of(2-x)

please let me know

thanks,
Akhil

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by crackgmat007 » Sat Sep 26, 2009 11:30 am
akhilkathuria wrote:Sure buddy.

root of (X^2 - 6X +9) = (x-3)^2
now every expression under the root is positive.
So root of (x-3)^2 = x-3 (have to take positive)

now add x-3 + root of (2-x) + x-3

give you the answer 2x-6+ root of(2-x)

please let me know

thanks,
Akhil
Even I got B. But OA is A