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4 x square y square * [-3 x square y square] |
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Answer» ong>Step-by-step explanation: Given the square root of x square / y square + Y square by 4 x square minus x by Y + y by 2 x minus 3 by 4 is We have the equation as So √x^2/y^2 + y^2/4x^2 – x/y + y/2x – ¾ So taking LCM we GET √4x^4 + y^4 – 4x^3y + 2xy^3 – 3x^2y^2 / 4x^2y^2 Now REARRANGING the x and y TERMS we get √4x^4 – 4x^3y – 3x^2y^2 + 2xy^3 + y^4 / 4x^2y^2 Now taking the square root we get √(2x^2 – xy – y^2)^2 / 4x^2y^2 So we get 2x^2 – xy – y^2 / 2x^2y^2 We can write this as x/y – 1/2 – y/2x OR √(x/y)^2 + (y/2x)^2 – x/y + y/2x – ¾ + 1 – 1 (add and subtract 1 to both sides) √(x/y)^2 + (y/2x)^2 – 1 – x/y + y/2x + 1/4 Let P = √(x/y)^2 + (y/2x)^2 – 2(x/y)(y/2x) – x/y + y/2x + ¼ Squaring both sides we get So p^2 = (x/y – y/2x)^2 – (x/y – y/2x – 1/4) Now let x/y – y/2x = a So p^2 = a^2 – (a – 1/4 ) Or p^2 = a^2 – (4a – 1 / 4) Or p^2 = 4a^2 – 4a + 1 / 4 P^2 = (2a – 1 / 2)^2 Or p = 2a – 1 / 2 Or p = a – 1/2 Or p = x/y – y/2x – 1/2 |
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