2x^2-10x+25-x^2=0,x^4-1/x^4
15,65,90
(7/5*-3/12)+(7/5*5/12)
x^2+2kx+9=0
x^2-6x+9=0,x^2-1/x^2=?
2x+0y+2z+1
3x-y+4z=7
6x+y-z=0 convert it to reduced echelon form
Let f(x) :=
x cos 1
x
if x ̸= 0
0 if x = 0 . Is the function f is differentiable at 0? Justify the
answer.
Consider a relation represented by a matrix
[
1
0
]
⎣
⎢
⎡
1 ...
(9/16*4/12)+(9/16*-3/9)
-1+6