ممكن حل المسائل :
------------
1-let f(x)=Z4x-8 .then d/dx f^-1(4)=
z=جذر
2 6 1/4 1/2
------------
2-the value of b so that the function f(x)=(x^2-25)(x+6)/(x-6)
satisfies the hypotheses of roll's theorem on the interval [-5,b] is:
5 -5 6 -6
______________________________
3-ler f '(x)=4-3x/2Zx then the interval on whish f(x) is concave up is
(0,infinity) (0,4) (0,4/4) none
__________________________
4-let f(x)= x^lnx them f '(x)=
2ln(x)/x 2ln(x)x^(ln x -1) lnx/x none
___________
5- suppose that sin(x)=x^3 -y-1 then the value of dy/dx when y=0 is
-1 0 1 3/2
____________
ياريت الاجابه بالتفصيل
والله يبارك فيكم
امين ^_^
