Question

(1) which is not the solution of X - Y = 0
(Tick co
(a) (1,1)
(b) (-1, 1)
(c) (1,-1)
(d) (1,0)
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Answer 1

Answer:

Except a option all are wrong.

Step-by-step explanation:

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Answer 2

GiveN :

• X - Y = 0

To FinD :

• Out of the options which is solution of this equation

SolutioN :

✪ Put X = 1 , Y = 1

⇒1 - 1 = 0

_____________

✪ Put X = -1 , Y = 1

⇒-1 - 1 = 0

⇒-2 ≠ 0

_____________

✪ Put X = 1 , Y = -1

⇒1 - (-1) = 0

⇒1 + 1 = 0

⇒2 ≠ 0

_____________

✪ Put X = 1 , Y = 0

⇒ 1 - 0 = 0

⇒1 ≠ 0

_______________________

$\therefore$ a (1,1) is the only solution of the given equation.