(i) x2 + 4x + 1 = 0
Sol. x2 + 4x + 1 = 0
Comparing with ax2 + bx + c = 0 we have a = 1, b = 4, c = 1
∆ = b2 – 4ac
= (4)2 – 4 (1) (1)
= 16 – 4
= 12
∴ ∆ = 12
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Colours name in Hindi | रंगों के नाम
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Vegetables name in Hindi | सब्जियों के नाम
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Write the First Letter of picture - Hindi Swar Worksheets
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AA (ा) – AA ki Matra | आ (ा) की मात्रा
i ( ि) - i ki Matra | इ ( ि) की मात्रा
EE ( ी) – EE ki Matra | ई ( ी) की मात्रा
U (ु) - U ki Matra | उ (ु) की मात्रा
O (ू ) – OO ki Matra | ऊ (ू) की मात्रा
E ( े) - E ki Matra | ए ( े ) की मात्रा
AI (ै) - AI ki Matra | ऐ (ै)की मात्रा
o ( ो) - o ki Matra | ओ (ो) की मात्रा
ou ( ौ) - ou ki Matra | औ ( ौ) की मात्रा
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