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Black Advanced Problems in Mathematics
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Black Advanced Problems in Mathematics
Subject
Mathematics
Chapter
Quadratic Equation

Black Advanced Problems in Mathematics · Mathematics · Quadratic Equation

**(A)** The real root (s) of the equation x^4 - 8x^2 - 9 = 0 are...

**(A)** The real root(s) of the equation x4−8x2−9=0x^4 - 8x^2 - 9 = 0 are **(P)** No real roots
**(B)** The real root(s) of the equation x2/3+x1/3−2=0x^{2/3} + x^{1/3} - 2 = 0 are **(Q)** −3,3-3, 3
**(C)** The real root(s) of the equation 3x+1+1=x\sqrt{3x + 1} + 1 = \sqrt{x} are **(R)** −8,1-8, 1

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