যদি (x-y, 3) = (0, x+2y) হয় ,তবে x এবং y এর মান কত?

A (1,1)

B (-1,-1)

C (1,3)

D (-1,-3)

Solution

Correct Answer: Option A

(x - y, 3) = (0, x + 2y) হতে পাই,
x - y = 0
∴ x = y

আবার,
  3 = x + 2y
⇒ x + 2x = 3
⇒ x = 1

∴ (x, y) = (1, 1)

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