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Solve the given equation system x(z+1)=y^(2)],[(z+1)^(2)=xy],[x^(2)=y(z+1)]

Solve the given equation system x(z+1)=y2, (z+1)2=xy, x2=y(z+1)x(z+1)=y^{2}, \ (z+1)^{2}=xy, \ x^{2}=y(z+1)

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Q. Solve the given equation system x(z+1)=y2, (z+1)2=xy, x2=y(z+1)x(z+1)=y^{2}, \ (z+1)^{2}=xy, \ x^{2}=y(z+1)
  1. Write System of Equations: Write down the system of equations.\newline{x(z+1)=y2(z+1)2=xyx2=y(z+1) \begin{cases} x(z+1) = y^2 \\ (z+1)^2 = xy \\ x^2 = y(z+1) \end{cases}
  2. Express y in terms: From the first equation, express y in terms of x and z.\newliney2=x(z+1) y^2 = x(z+1) \newliney=x(z+1) y = \sqrt{x(z+1)} \newlineNote that we consider only the positive square root because if y were negative, squaring it would give a positive result, which would not match the original equation.
  3. Substitute in Second Equation: Substitute the expression for y from Step 22 into the second equation.\newline(z+1)2=xx(z+1) (z+1)^2 = x\sqrt{x(z+1)}
  4. Square to Eliminate Root: Square both sides of the equation from Step 33 to eliminate the square root.\newline((z+1)2)2=(xx(z+1))2 ((z+1)^2)^2 = (x\sqrt{x(z+1)})^2 \newline(z+1)4=x2x(z+1) (z+1)^4 = x^2x(z+1) \newline(z+1)4=x3(z+1) (z+1)^4 = x^3(z+1)
  5. Substitute y in Third Equation: From the third equation, we have x2=y(z+1) x^2 = y(z+1) . Substitute the expression for y from Step 22 into this equation.\newlinex2=x(z+1)(z+1) x^2 = \sqrt{x(z+1)}(z+1)
  6. Square to Eliminate Root: Square both sides of the equation from Step 55 to eliminate the square root.\newline(x2)2=(x(z+1)(z+1))2 (x^2)^2 = (\sqrt{x(z+1)}(z+1))^2 \newlinex4=x(z+1)(z+1)2 x^4 = x(z+1)(z+1)^2 \newlinex4=x(z+1)3 x^4 = x(z+1)^3
  7. Equations Involving x and z: We now have two equations involving x and z:\newline(z+1)4=x3(z+1) (z+1)^4 = x^3(z+1) \newlinex4=x(z+1)3 x^4 = x(z+1)^3 \newlineWe can use these equations to find a relationship between x and z.
  8. Divide Second Equation by x: Divide the second equation by x to simplify it, assuming x is not zero.\newlinex3=(z+1)3 x^3 = (z+1)^3
  9. Equate x and z+11: Since both x3 x^3 and (z+1)3 (z+1)^3 are equal, we can equate x and z+11.\newlinex=z+1 x = z+1
  10. Substitute x to find y: Substitute x=z+1 x = z+1 into the first equation to find y.\newliney2=(z+1)(z+1) y^2 = (z+1)(z+1) \newliney2=(z+1)2 y^2 = (z+1)^2 \newliney=z+1 y = z+1
  11. Substitute x to find z: Now we have x=z+1 x = z+1 and y=z+1 y = z+1 . Substitute x=z+1 x = z+1 into the third equation to find z.\newline(z+1)2=(z+1)(z+1) (z+1)^2 = (z+1)(z+1) \newlineThis is a tautology and does not give us new information about z. We need to find another way to determine z.
  12. Substitute x and y in Second Equation: Substitute x=z+1 x = z+1 and y=z+1 y = z+1 into the second equation to find z.\newline(z+1)2=(z+1)(z+1) (z+1)^2 = (z+1)(z+1) \newlineThis is the same tautology as before. We have reached a point where all equations are satisfied for any z. Therefore, the system has infinitely many solutions, where x=y=z+1 x = y = z+1 for any real number z.

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