Answers
Gravem .
Эх total charge =0 on the x-anis. is Electric field - UkQ a> 4x2_22
Now the potential is x>4 VK = - 2. da 3 Vez - och VER) = und so vwa ura. I( m 1 * * wens oferece m uka, Lt 21 L-2X
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