Please enter the following details
Free Daily Targets & Mocks
Study Material & Formulas PDFs
1 on 1 Mentorship
Question 3
Which of the following value of 'X' satisfies the equation $$81^{4x+4}=243^{2x+8}$$ ?
Solution
Expression : $$81^{4x+4}=243^{2x+8}$$
=>Â $$(3^4)^{4x+4}=(3^5)^{2x+8}$$
=> $$(3)^{16x+16}=(3)^{10x+40}$$
=> $$16x+16=10x+40$$
=> $$16x-10x=40-16$$
=> $$6x=24$$
=> $$x=\frac{24}{6}=4$$
=> Ans - (B)
Create a FREE account and get:
- Free SSC Study Material - 18000 Questions
- 230+ SSC previous papers with solutions PDF
- 100+ SSC Online Tests for Free
