3. The equation x2 + 4x + k = 0 has real and distinct roots if
(a) k < 4 (b) k>4 (c) k < 4 (d) k > 4
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Answered by
0
Answer:
g15A3V9MM4OB598MB98AYTB89YH5MB98BIHRITABHIUBHRA8Y5H6B89345QVM3896YB894QMB
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Answered by
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Bro,
If it have real and distinct root then
b²-4ac > 0
A=1
B=4
C=K
16 - 4(1)(k) > 0
16 - 4K > 0
16 > 4K
Dividing both sides by 4
K < 4,
OPTION A IS CORRECT
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