Problem Solving (PS) | Re: (1.00001)(0.99999) - (1.00002)(0.99998) =

Use aˆ{2} - bˆ{2} in the question stem,

=>(1+10ˆ{-5}) * (1-10ˆ{-5}) - (1+2*10ˆ{-5}) * (1-2* 10ˆ{-5})
=> (1-10ˆ{-10}) - (1-2*10ˆ{-10})
=> -10ˆ{-10} - 4* 10ˆ{-10}
=> 3 * 10ˆ{-10}, Option C

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