1 A 1 B 1 C 1 D 1 E 1 F 2 A 2 B 2 C 2 D 2 E 2 F 3 A 3 B 3 C 3 D 3 E 4 A 4 B 4 C 5 A 5 B 5 C

Q. 1 B4.5( 19 Votes )

Attempt any five

Class 10th Maharashtra Board - Algebra Papers October-2014

Answer :

Given: a = 1, b = 8, c = 15

b² – 4ac = 8² – 4 × 1 × 15

= 64 – 60

∴ b² – 4ac = 4

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