1.

If 7–√−27–√+2=a7–√+b,7−27+2=a7+b, then the value of a is?

A. 1131131131131131131131131131131111111133113
B. −43−43−43−43−43−43−43−43−43434433−43
C. 43434343434343434343443343
D. −47–√3−473−47–√3−473−47–√3−47–√3−47–√3−47–√3−47–√3−47–√3−47–√−47–√−47–√−47–√7–√777––√√33−473
Answer» B. −43−43−43−43−43−43−43−43−43434433−43


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