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Rearranging trigonometry system of equations

score 31 · Answer 1 · 2026-04-14 06:50:59

31

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Rearranging trigonometry system of equations

Published on 14 Apr 2026 - 6:50

score 91 · Answer 2 · 2026-04-13 16:17:11

91

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Consider the system of equations

Published on 13 Apr 2026 - 16:17

score 140 · Answer 3 · 2026-04-15 00:28:35

140

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If $c_{j}$ are any $n$ scalars, show that there is exactly one vector $\alpha$ in $V$ such that $\langle\alpha,\alpha_{j}\rangle = c_{j}$

Published on 15 Apr 2026 - 0:28

score 29 · Answer 4 · 2026-04-12 06:16:08

29

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SOLS estimator variance

Published on 12 Apr 2026 - 6:16

score 96 · Answer 5 · 2026-04-14 23:17:51

96

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Solve system of equations $2yz+y+9z=2xz+x+4z=2xy+4y+9x$

Published on 14 Apr 2026 - 23:17

score 60 · Answer 6 · 2026-04-17 08:24:53

60

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System of logarithmic and exponential equations $\log_{7}(x^2-x+1)=\log_{2}(y^2-1)-\log_{2}(x+1)$

Published on 17 Apr 2026 - 8:24

score 39 · Answer 7 · 2026-04-11 14:31:41

39

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Proving a system does not have any integer solution

Published on 11 Apr 2026 - 14:31

score 171 · Answer 8 · 2026-04-17 16:03:29

171

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Prove that, there are 4 real roots of system of equations: $\begin{cases} y^2+x=11 \\ x^2+y=7 \end{cases}$

Published on 17 Apr 2026 - 16:03

score 44 · Answer 9 · 2026-04-12 10:51:38

44

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Can nonlinear systems of 2 equations in 2 variables always be solved using the substitution method?

Published on 12 Apr 2026 - 10:51

score 29 · Answer 10 · 2026-04-11 12:31:41

29

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How to prove iff statement involving simultaneous equations

Published on 11 Apr 2026 - 12:31

score 66 · Answer 11 · 2026-04-13 08:48:49

66

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Solving a complex system of equations with summation

Published on 13 Apr 2026 - 8:48

score 44 · Answer 12 · 2026-04-12 22:38:32

44

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Question about a symmetric system of equations where solutions must be rational valued.

Published on 12 Apr 2026 - 22:38

score 63 · Answer 13 · 2026-04-09 22:13:55

63

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Difficult problem of Maxima and minima

Published on 09 Apr 2026 - 22:13

score 206 · Answer 14 · 2026-04-15 10:36:02

206

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Do all nonlinear systems of 2 equations in 2 variables have at least one solution?

Published on 15 Apr 2026 - 10:36

score 48 · Answer 15 · 2026-04-10 10:29:43

48

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Determining Rational/Irrational Variable from An Equation

Published on 10 Apr 2026 - 10:29

List Question

Rearranging trigonometry system of equations

Consider the system of equations

If $c_{j}$ are any $n$ scalars, show that there is exactly one vector $\alpha$ in $V$ such that $\langle\alpha,\alpha_{j}\rangle = c_{j}$

SOLS estimator variance

Solve system of equations $2yz+y+9z=2xz+x+4z=2xy+4y+9x$

System of logarithmic and exponential equations $\log_{7}(x^2-x+1)=\log_{2}(y^2-1)-\log_{2}(x+1)$

Proving a system does not have any integer solution

Prove that, there are 4 real roots of system of equations: $\begin{cases} y^2+x=11 \\ x^2+y=7 \end{cases}$

Can nonlinear systems of 2 equations in 2 variables always be solved using the substitution method?

How to prove iff statement involving simultaneous equations

Solving a complex system of equations with summation

Question about a symmetric system of equations where solutions must be rational valued.

Difficult problem of Maxima and minima

Do all nonlinear systems of 2 equations in 2 variables have at least one solution?

Determining Rational/Irrational Variable from An Equation

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