A+B=-2;
AB=1/2;
√(B/A)+√(A/B)
=√(AB)/A+√(AB)/B
=-√(1/2)/A-√(1/2)/B
=√(1/2)(-B-A)/(AB)
=√(1/2)(2)/(1/2)
=4×√2/2
=2√2;
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A+B=-2;
AB=1/2;
√(B/A)+√(A/B)
=√(AB)/A+√(AB)/B
=-√(1/2)/A-√(1/2)/B
=√(1/2)(-B-A)/(AB)
=√(1/2)(2)/(1/2)
=4×√2/2
=2√2;
很高兴为您解答,skyhunter002为您答疑解惑
如果本题有什么不明白可以追问,