1. ## need help:

$x^2-2^x+1=0$

find no. of values of $x$ which satisfies the equation

2. Originally Posted by great_math
$x^2-2^x+1=0$

find no. of values of $x$ which satisfies the equation
Try drawing the graphs of y = x^2 + 1 and y = 2^x and examining how many intersection points there are.