If A- -8 5- 2 4 - satisfies the equation x2-4x-p-0- then p -

Characteristic equation is x^2+4x 42=0⇒ p=42 ...

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Discriminant

If A=[ -8 5; ...

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If $A = [\begin{matrix} - 8 & 5 2 & 4 \end{matrix}]$ satisfies the equation $x^{2} + 4 x - p = 0, t h e n p =$

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If $A = [\begin{matrix} - 8 & 5 2 & 4 \end{matrix}]$ satisfies the equation $x^{2} + 4 x - p = 0, t h e n p =$

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(A, B)

The same value of x satisfies the equations 4x + 5 = 0 and 4x²+ (5 + 3p)x + 3p²=0, then p is

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