If the equation, x2 + bx + 45 = 0 (b $$ \in $$ R) has conjugate complex roots and they satisfy |z +1| = 2$$\sqrt {10} $$ , then :
JEE · Math · previous-year question
- A.b2 – b = 42
- B.b2 + b = 12
- C.b2 + b = 72
- D.b2 – b = 30
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