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snow_tiger [21]
3 years ago
7

Please help !

Mathematics
1 answer:
Bas_tet [7]3 years ago
3 0
4p^4-25p^2=-16p^2\ \ \ \ |+16p^2\\\\4p^4-9p^2=0\\\\p^2(4p^2-9)=0\iff p^2=0\ \vee\ 4p^2-9=0\\\\p^2=0\to p=0\\\\4p^2-9=0\ \ \ |+9\\\\4p^2=9\ \ |:4\\\\p^2=\dfrac{9}{4}\to p=\pm\sqrt{\dfrac{9}{4}}\to p=-\dfrac{3}{2}\ \vee\ x=\dfrac{3}{2}

Answer: <span>A- p=0 or p=3/2 or p=-3/2</span>

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