Exponential And Logarithmic Functions

Given,

%5Clog%20_%7Be%7D%5Cleft(x%5E%7B2%7D-16%5Cright)%20%5Cleq%20%5Clog%20_%7Be%7D(4%20x-11)

if and only if

x%5E%7B2%7D-16%20%5Cleq%204%20x-11

%5CRightarrow%20x%5E%7B2%7D-%204%20x-5%20%5Cleq%200

x%5E%7B2%7D-5%20x%2Bx-5%20%5Cleq%200

%5CRightarrow%20x(x-5)%2B1(x-5)%20%5Cleq%200

(x-5)(x%2B1)%20%5Cleq%200

Sign scheme of

x%5E%7B2%7D-4%20x-5%20%5Cleq%200

-1%20%5Cleq%20x%20%5Cleq%205

Chapter Questions
1 MCQs