jaideeplalli3869 jaideeplalli3869
  • 06-04-2024
  • Mathematics
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Let a, b ∈ R be such that the equation ax² − 2bx + 15 = 0 has repeated roots α if α and β are the roots of the equation x² − 2bx + 21 = 0 then α² + β² is equal to :
A. 58
B. 68
C. 37
D. 92

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