Question Detail
Question
Solve 2^(2x) - 3·2^x + 2 = 0
Correct Answer
Option A is the correct answer.
Detailed Explanation
Let y = 2^x. Then equation becomes y² - 3y + 2 = 0 → (y-1)(y-2)=0 → y=1 or y=2. So 2^x = 1 → x=0, or 2^x = 2 → x=1.
Hint
Substitute y = 2^x to get a quadratic equation.