Question

If x = -1 and y=-2, find the value of the following expressions. x^2- xy+y^2​

Answer 1

Answer:

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x = -1

y = -2

➡️ x²-xy+y²

➡️ (-1)²-(-1)×(-2)+(-2)²

➡️ 1-(2)+4

➡️ 1-2+4

➡️ 1+2

➡️ 3

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Answer 2

Step-by-step explanation:

IF X = -1

Y = 2

THEN FIND VALUE OF

x^2- xy+y^2

X = -1 & Y = 2 put in equation -

-1×-1-(-1×2)+2×2

1+2+4

7 Ans