1) y' = (1 + (1/2√x))(√x - 2) + (x + √x)(1/2x^(-1/2)) = √x - 2 + √x -2x^(-1/2) = 2√x - 2 - 2/x^(1/2)
2) y' = 10^x ln(10) + ln(5) ln(2) 5^(-1) + (-sin(15°) π/180) = 10^x ln(10) + ln(5)/ln(2) + (-sin(15°) π/180)
1) y' = (1 + (1/2√x))(√x - 2) + (x + √x)(1/2x^(-1/2)) = √x - 2 + √x -2x^(-1/2) = 2√x - 2 - 2/x^(1/2)
2) y' = 10^x ln(10) + ln(5) ln(2) 5^(-1) + (-sin(15°) π/180) = 10^x ln(10) + ln(5)/ln(2) + (-sin(15°) π/180)