√3 x2 + 2√2 x – 2√3 = 0

(iv) √3 x² + 2√2 x – 2√3 = 0

Sol. √3 x² + 2√2 x – 2√3 = 0

Comparing with ax² + bx + c = 0 we have a = √3 , b = 2√2 , c = –2√3

∆  = b² – 4ac

= (2√2)²  – 4 (√3) (–2√ 3)

= (4 × 2) + (8 × 3)

= 8 + 24

= 32

∴ ∆  = 32