p = a 1+ a 2 +a 3 +a 4 +a 5 +a 6 q= a 1 a 3 + a 3 a 5 +a 5 a 1 + a 2 a 4 + a 2 a 6 + a 4 a 6 r = a 1 a 3 a 5 + a 2 a 4 a 6 a 1 a 2 a 3 a 4 a 5 a 6 Show that root of -: 2x 3 – px 2 + qx -r = 0 are real.

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p = a 1+ a 2 +a 3 +a 4 +a 5 +a 6 q= a 1 a 3 + a 3 a 5 +a 5 a 1 + a 2 a 4 + a 2 a 6 + a 4 a 6 r = a 1 a 3 a 5 + a 2 a 4 a 6 a 1 > a 2 > a 3 > a 4 > a 5 > a 6 Show that root of -: 2x 3 – px 2 + qx -r = 0 are real.

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p = a 1+ a 2 +a 3 +a 4 +a 5 +a 6 q= a 1 a 3 + a 3 a 5 +a 5 a 1 + a 2 a 4 + a 2 a 6 + a 4 a 6 r = a 1 a 3 a 5 + a 2 a 4 a 6 a 1 > a 2 > a 3 > a 4 > a 5 > a 6 Show that root of -: 2x 3 – px 2 + qx -r = 0 are real.

p = a₁₊a₂+a₃+a₄+a₅+a₆
q= a₁a₃+ a₃a₅+a₅a₁+ a₂a₄+ a₂a₆+ a₄a₆
r = a₁a₃a₅+ a₂a₄a₆
a₁> a₂> a₃ > a₄> a₅> a₆
Show that root of -: 2x³ – px²+ qx -r = 0 are real.

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