Is differentiating on both sides of an equation allowed?
134122
When is differentiating an equation valid?
71260
Check differentiability of multivariable functions
40960
Implicit Differentiation
127964
Confused about the possibility of different differentiable structures.
157728
When can you interchange composition of a limit?
158958
Is it acceptable style to mix equalities and inequalities in one line
15030
Is there a law that you can add or multiply to both sides of an equation?
155709
Differentiation inside package
97146
differentiate with respect to a function
45363
Show that both mixed partial derivatives exist at the origin but are not equal
69746
Can we abuse notation and write equations in differential one-form?
57411
Manipulating only the denominator in the solution of a fourth order equation
17310
Can $f(x)=|x|^3$ be differentiated
86688
Why can't you square both sides of an equation?
154881
Question on differentiability of a continuous function
106319
Can we divide two vectors?
151314
What does it mean to differentiate in calculus?