Question

Let a be 3×3 determinant |A| = 7find the value of |2A|​

Answer 1

$<marquee>An electron is confined to a box of an atom so that one side of the box has length d=0.1nm. Calculate the uncertainty in momentum of the electron.</marquee>$

$<marquee>hope this help you mate</marquee>$

$<marquee>thanks</marquee>$

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