Find the condition for the roots to be equal
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Showing posts with label ICSE. Show all posts
Showing posts with label ICSE. Show all posts
Saturday, August 31, 2013
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polynomial
If p, q, r are positive quantities, and the equation
If x4 +px3 + qx2+rx + 1 = 0,
and
x4 +rx3 + qx2+px + 1 = 0,
have a common root, then prove that
p + r = q + 2
Tuesday, August 27, 2013
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