📐 Matematika · Tenglamalar · ★★★
Tenglamani yeching: √(x + 6) + √(x + 1) = 5
- A)10
- B)3
- C)2
- D)−2
👀 To'g'ri javob va tushuntirishni ko'rish
✓ B) 3
💡 a = √(x + 6), b = √(x + 1): a² − b² = 5 va a + b = 5 ⇒ a − b = 1, a = 3, x + 6 = 9, x = 3.
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