Question

The value of x² - 2y x + y when x=1, y= 2 is ​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

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Answer:

$x^{2} = 1^{2} : : 1^{2} = 1x$

$2</p><p> =1 </p><p>2</p><p> ::1 </p><p>2</p><p> =1 × 1 = 1$

2yx = 2(1 × 2) = 2 × 2 = 4

$y^{2} =y </p><p>2</p><p> = y × y = 2 × 2 = 4$

1 - 4 + 4 = 1

Answer is 1...