Answer :

Given that 2^{x + 2} + 2^{x–1} = 9

Formula used: - (a1) if then a = b

2^{x + 2} + 2^{x–1} = 2^{3} + 1

Using formula (a1)

and

x = 1

Rate this question :

How useful is this solution?

We strive to provide quality solutions. Please rate us to serve you better.

Related Videos

Newton's Third Law44 mins

Miscellaneous questions42 mins

Newton's Second Law46 mins

Newton's First Law45 mins

Significance of Newton's Laws in daily life42 mins

NCERT | Laws of Motion31 mins

Genius Quiz | Laws of Motion38 mins

Applications of Laws of Motion34 mins

Laws of Exponents32 mins

Foundation | Lets Learn all About Collision42 mins

Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Expertsview all courses

Dedicated counsellor for each student

24X7 Doubt Resolution

Daily Report Card

Detailed Performance Evaluation

RELATED QUESTIONS :

Let us provWest Bengal Mathematics

If <West Bengal Mathematics

If 4^{x<}West Bengal Mathematics

Let us solvWest Bengal Mathematics

If (27)^{x</su}West Bengal Mathematics

Let us solvWest Bengal Mathematics

Let us arraWest Bengal Mathematics

If 4 × 5<suWest Bengal Mathematics

Let us solvWest Bengal Mathematics

Let us solvWest Bengal Mathematics