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1. যদি 2x+y=10 এবং x = 3 হয়, তাহলে x-y= কত
- A. -4
- B. -4
- C. -4
- D. -4
Answer: Option B
Explanation:
2x+ y = 10
বা, 2.3 + y = 10 [ x = 3 ]
বা, y= 10-6
∴ y = 4
∴ x-y = 3-4 = -1.
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1. যদি 2x+y=10 এবং x = 3 হয়, তাহলে x-y= কত
Answer: Option B
Explanation:
2x+ y = 10
বা, 2.3 + y = 10 [ x = 3 ]
বা, y= 10-6
∴ y = 4
∴ x-y = 3-4 = -1.
Post your comments here: