(3^(2x+4) × 9^(4x+2)) ÷ (9^(x+4) × 3^(2x+2)) = 9^5 \Rightarrow x = ?

AP ICET 2019 Shift 1 Paper

Question : 76 of 200

Marks: +1, -0

(

3^(2x+4)

9^(4x+2)

) ÷ (

9^(x+4)

3^(2x+2)

)

= 9^5 ⇒ x = ?

Solution:

(3^{2x+4+8x+4})

(3^{2x+8+2x+2})=3^10

⇒6x – 2 = 10⇒x = 2.

Go to Question:

Prev Question

Next Question