Question

sabendo que 4^x -4^x-1 =24,entao o valor de x^1/2

Answer 1

4^x - 4^x-1 =24

4^x - 4^x/4 =24 ====> *(4) mmc

4.4^x - 1.4^x = 96

3.4^x = 96

4^x = 32

2^2x = 2^5

2x=5

x =5/2

√x = √(5/2)= √(10/4)= √10 /2 ✓