问题
填空题
设3a=4b=36,则
|
答案
∵3a=4b=36,∴a=
,b=lg36 lg3
,∴lg36 lg4
+2 a
=1 b
+2lg3 lg36
=lg4 lg36
=1.lg(32×4) lg36
故答案为1.
设3a=4b=36,则
|
∵3a=4b=36,∴a=
,b=lg36 lg3
,∴lg36 lg4
+2 a
=1 b
+2lg3 lg36
=lg4 lg36
=1.lg(32×4) lg36
故答案为1.