Solve for $$3^{x}-3^{x-1}=486$$
Given , $$3^{x}-3^{x-1}=486$$
$$3^{x}-\frac{3^{x}}{3}=486$$
Taking $$3^{x}$$ as common
$$3^{x}(1- \frac{1}{3})=486$$
$$3^{x}=729$$
$$3^{x}=3^{6}$$
Hence , x = 6
Create a FREE account and get:
Detailed syllabus & Topic-wise Weightage
By proceeding you agree to create your account
Free CAT Syllabus PDF will be sent to your email address soon !!!
