X-2 ndash- rx - 1 - 0 has real roots and distinct root- then r does not lie between -A- 1 and 2 -B- ndash- 1 and 1 -C- ndash- 2 and 2 -D- ndash- 1 and 2

For the given equation i.e. nbsp;x2 nbsp; rx nbsp;+1 = 0The given equation has real and distinct roots.ThenD #62; 0 nbsp;b2 nbsp;– 4ac #62;0 nb ...

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Nature of Roots

x^2 ndash;...

Question

x^2 – rx + 1 = 0 has real roots and distinct root, then r does not lie between
(A) 1 and 2 (B) – 1 and 1 (C) – 2 and 2 (D) – 1 and 2

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