Question

For Positive real numbers a and b, which is not true?

(1 Point)

(−−√+−−√)(−−√−−−√)=−(a+b)(a−b)=a−b

−−−√=−−√−−√ab=ab

−−√=√√ab=ab

(+−−√)(−−−√)=2−​

Answer 1

Answer:

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