JEE Mains Model Paper 12

Question : 8 of 90

Marks: +1, -0

In ΔABC, AB : AC =1: 2 and BC = 3, if h is the altitude from A to BC, then number ofsolution (s) of the equation 2x + 2−x + 2x + x−2 - h = 0 is (x > 0)