Find the points on \( z \)-axis which are at a distance \( \sqrt{21} \) from the point \( A(1,2,... VIDEO
Find the points on \( z \)-axis which are at a distance \( \sqrt{21} \) from the point \( A(1,2,3) \).https://bit.ly/YTAI_PWAP https://www.pw.live
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