GMAT Sentence Correction (SC) | source: Kaplan Premier Although the square root of a

Although the square root of a negative number has no real value, it is not necessarily true thatequations involving imaginary numbers like these are practically inapplicable

A) equations involving imaginary numbers like these are practicallyinapplicable
to state example 'such as' should be used not like

B) equations involving such imaginary numbers have no practical applications
correct
C) equations involving these inapplicable imaginary numbers are practical
changes the meaning. here the point is
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