1.根号下3x^3除以根号下x/62.已知实数a,b满足根号下4a-b+11+ 根号下1/3b-4a-3 =0.求（根号下b/a除_数学解答

1.根号下3x^3除以根号下x/6
2.已知实数a,b满足根号下4a-b+11+ 根号下1/3b-4a-3 =0.求（根号下b/a除以根号下1/b）乘2a根号下a/b的值.
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人气：260 ℃　时间：2020-10-01 11:23:18

解答

根号下3x^3除以根号下x/6
=根号下18x²
=(3√2)x
根号下4a-b+11 + 根号下1/3b-4a-3 =0
4a-b+11=0
1/3b-4a-3=0
a=1/4
b=12
(根号下b/a除以根号下1/b）乘2a根号下a/b
=√48*1/2√(1/48)
=1/2