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1. সমাধান করুনঃ ax - cy = 0 ay - cx = a2 - c2
- A. x = a, y = c
- B. x = a, y = c
- C. x = a, y = c
- D. x = a, y = c
Answer: Option B
Explanation:
ax - cy
= a.c - c.a (x = c এবং y = a বসিয়ে)
= ac - ac
= 0
আবার,
ay - cx
= a.a - c.c (x = c এবং y = a বসিয়ে)
= a^2 - c^2
সুতরাং, x = c এবং y = a
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