急啊，请高手帮忙解下有关二次根式最大值问题
请列出过程的啊 ,高手帮一下忙 展开
验证：
x值 公式
0.340 2.300124671
0.390 2.559401618
0.440 2.701101075
0.490 2.809241518
0.540 2.899271996
0.590 2.977496439
0.640 3.047227606
0.690 3.110461992
0.740 3.168512846
0.790 3.222298444
0.840 3.272490606
0.890 3.319598292
0.940 3.364017924
0.990 3.406065324
1.040 3.445996852
1.090 3.484023911
1.140 3.520323189
1.190 3.555044084
1.240 3.588314193
1.290 3.620243463
1.340 3.650927367
1.390 3.680449381
1.440 3.708882942
1.490 3.736293001
1.540 3.762737283
1.590 3.788267315
1.640 3.812929265
1.690 3.83676464
1.740 3.859810867
1.790 3.882101783
1.840 3.903668046
1.890 3.924537487
1.940 3.944735408
1.990 3.964284838
2.040 3.983206753
2.090 4.001520268
2.140 4.019242798
2.190 4.036390206
2.240 4.052976921
2.290 4.069016051
2.340 4.084519472
2.390 4.099497912
2.440 4.113961018
2.490 4.12791742
2.540 4.14137478
2.590 4.154339836
2.640 4.166818437
2.690 4.178815575
2.740 4.190335406
2.790 4.201381267
2.840 4.211955686
2.890 4.222060389
2.940 4.2316963
2.990 4.240863531
3.040 4.24956137
3.090 4.257788265
3.140 4.265541795
3.190 4.272818638
3.240 4.279614528
3.290 4.285924205
3.340 4.291741356
3.390 4.29705854
3.440 4.301867104
3.490 4.306157083
3.540 4.309917081
3.590 4.31313413
3.640 4.315793529
3.690 4.317878645
3.740 4.319370689
3.790 4.320248438
3.831 4.320493079
3.832 4.320493564
3.833 4.320493784
3.834 4.32049374
3.835 4.320493431
3.836 4.320492858
3.840 4.320487909
3.890 4.320061969
3.940 4.318939855
3.990 4.317086594
4.040 4.314462297
4.090 4.311021268
4.140 4.306710899
4.190 4.30147027
4.240 4.295228342
4.290 4.287901613
4.340 4.279391005
4.390 4.269577676
4.440 4.258317232
4.490 4.245431559
4.540 4.230696932
4.590 4.213826101
4.640 4.194440151
4.690 4.172021933
4.740 4.145833744
4.790 4.114758629
4.840 4.076955262
4.890 4.028958789
4.940 3.962475033
4.990 3.837646318
