Prove that f(x) = x +1 isa permutation on R.
giải giúp tôi bài này với help me
(-57) -(-12)+3 - (-57)
$y=-x+1$
log 7 na base 28 - log 7 na base 4
3+4(9-2)
5/3+3/5
Calculate the 1st order partial derivatives of the following
(a) f(xy) = 2$x^{2}$ -3y-4
If I give you seven apples, you will then have five times
as many as I would then have, however, if you give me
seven apples, ...
Calculate the rst order partial derivatives of the following
find the ratio of 12 to 8
