Feb
22
answered The set of natural number functions is uncountable
Feb
19
answered $f(f(x))=f(x)$ question
Feb
19
answered Find sum of roots of complex equation $z^6 = z^{18} = -1$
Feb
17
answered Relation betwen coefficients and roots of a polynomial, K.A.Stroud
Feb
13
answered Finding the area of a circle given the inscribed figure inside it
Feb
9
answered How to quickly find $\sqrt{x^4+4x^3+2x^2-4x+1}$ or anything similar
Feb
2
answered Finding the Robot
Feb
2
answered Numerical puzzle
Feb
1
answered With a product and sum of $x$ and $y$, calculate $9x^2+15y^2$
Jan
27
answered Given $x+y$ and $x\cdot y$, what is $x^3+ y^3$ ?
Jan
26
answered Relative error machine numbers
Jan
25
answered Solve the error in the simultaneous equation.
Jan
23
answered How do I go about algebraic manipulation of polynomials with many terms?
Jan
21
answered How prove this equality $4064b^6+4064c^6+1452b^2c^4+8013b^4c^2+7172b^3c^3-4728b^5c-11289bc^5\ge 0$
Jan
17
answered Solving $x^3 + x^2 - 4 = 0$
Jan
12
answered How to solve this system for real $x,y,z$
Jan
10
answered Suppose that the roots of $x^2+px+q=0$ are rational numbers and $p,q$ are integers…
Jan
6
answered Transform the expression $(2a-1)(bc-1)(de-1)- (2ace-1)(b-1)(d-1)$ to
Jan
4
answered Procedure for showing a polynomial is irreducible in $\mathbb{Q[x]}$
Dec
19
answered Find maxi,minimum $f(x,y)=x^3+y^3 (\text{where} ~~~ x,y\in \mathbb{R}, x^2+y^2=1)$