Question

Q25.The value of x² – 2yx + y² when x = 1, y = 2 is *

1

2

-1

-2

​

Answer 1

Answer:

2

Step-by-step explanation:

x²-2yx+y²

1²-2(2x1)+2²

1-2(2)+4

-2+4

2

Answer 2

Step-by-step explanation:

${\bold{\huge{\fbox{\color{Maroon}{ANSWER}}}}}$

The value of

${x}^{2} - 2yx + {y}^{2} = {(x - y)}^{2}$

Given That

x = 1 , y = 2

Now putting the value in Equation

${(x - y)}^{2} = {(1 - 2)}^{2} = 1$