What is wrong with this solution of find the least value of $ \sec^6 x +\csc^6 x + \sec^6 x\csc^6 x$
61302
Find the least value of $ \sec^6 x +\csc^6 x + \sec^6 x\csc^6 x$
39461
What is the solution of $\cos(x)=x$?
137148
If $A=\left( \begin{array}{ccc} 0 & 1 & 0 \\ 0 & 0 & 1 \\ 1 & 0 & 0 \end{array} \right)$, find the rank of $A+A^2+A^3$
708
Find the minimum of $(u-v)^2+ (\sqrt{2-u^2}-\frac{9}{v})^2$ for $00$.
54929
Finding integer solutions for $6x+15y+20z=1$
106729
Least Value Of $x+y+z$
4018
How to solve least absolute deviation by simplex method?
70147
Solving $x^4 -10x^3 + 26x^2 -10x +1 = 0$.
20055
Find minimum value of $\sum \frac{\sqrt{a}}{\sqrt{b}+\sqrt{c}-\sqrt{a}}$
33199
Least value of an Expression?
62463
A pencil approach to find $\sum \limits_{i=1}^{69} \sqrt{\left( 1+\frac{1}{i^2}+\frac{1}{(i+1)^2}\right)}$
152074
How to find out the global minimum of the following expression
154798
Issue with NSolve
68768
least square estimator issue
136918
How to determine the smallest numbers with $n$ factors
138271
Find the least number which when divided by 2, 3, 4, 5, 6 leaves a remainder of 1 but it is divided by 7 completely.
142401
Where's the problem in this equation? Resulting in $4 = 5$