E log(logi12x– 31097/2 X+5) = 2
Question
Fullscreen

E log(logi12x– 31097/2 X+5) = 2

JEE/Engineering Exams
Maths
Solution
93
Rating
4.0 (1 ratings)
Fullscreen
( log _{1 / 2}^{2} x-3 log _{1 / 2} x+5=9 ) ( Rightarrow ) Let ( log _{1 / 2} x=t ) ( Rightarrow quad t^{2}-3 t-4=0 ) ( Rightarrow(t-4)(t+1)=0 ) ( t=4,-1 ) ( therefore log _{1 / 2} n=4 quad operatorname{sing}_{1 / 2} x=-1 ) ( therefore x=frac{1}{16} quad operatorname{arc} 2 quad sin 3 )
Quick and Stepwise Solutions Just click and Send Download App OVER 20 LAKH QUESTIONS ANSWERED Download App for Free