y' = -3/x^2 - 1/2√x
y' (1/4) = -3/(1/4) ^2 - /2√1/4 = -3/(1/16) -1/2*(1/2) = -3*16-1 = -48-1=--49
ответ d) -49
y' = -3/x^2 - 1/2√x
y' (1/4) = -3/(1/4) ^2 - /2√1/4 = -3/(1/16) -1/2*(1/2) = -3*16-1 = -48-1=--49
ответ d) -49