Question

(a) 5
(b) 10
The value of x2 - 2xy + y2 when x = 1, y = 2 is
(a) 1
(b)-1
(c)2
(d)-2
nl of grouned data, then lower class limit is​

Answer 1

Answer:

x²- 2xy +y² = ( x-y)²

Step-by-step explanation:

= (1-2)²

= (-1)²

= 1

hope it helps you

Answer 2

Answer:

(a) 1

Step-by-step explanation:

x²-2xy+y²

= 1² - 2 X 1 X 2 + 2²

= 1 - 4 + 4

= 1

HOPE IT IS USEFUL

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