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For which of the following value of m the equation x2 - 6x + m = 0 has equal roots?
  • a)
    3
  • b)
    1/2
  • c)
    9
  • d)
    5
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
For which of the following value of m the equation x2 - 6x + m = 0 ha...
When equation has equal roots then
b2 – 4ac = 0
∴(–6) 2 – 4 (1) (m) = 0
36 – 4m = 0
– 4m = – 36
4m = 36
m = 9
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For which of the following value of m the equation x2 - 6x + m = 0 has equal roots?a)3b)1/2c)9d)5Correct answer is option 'C'. Can you explain this answer?
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