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Grade: 11
        
solve for x: x-1/log3(9-3x)-3>=1
5 years ago

Answers : (1)

SHAIK AASIF AHAMED
askIITians Faculty
74 Points
							
x-1\geqlog3(9-3x)-3
x-1\geqlog3(9-3x)-log327
x-1\geqlog3 ((9-3x)/27)
x-1\geqlog3((3-1-3x-3))
3x-1\geq3-1-3x-3
3x\geq1-3x-2 (multiplying with 3 on both sides)
9.3x\geq9-3x (multiplying with 9 on both sides)
10.3x\geq9
3x\geq0.9
x\geqlog30.9
so X\geq-0.095
Thanks & Regards
Jitender Singh
IIT Delhi
askIITians Faculty
5 years ago
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