Prove that the area of the parallelogram contained by the lines \( ... VIDEO
Prove that the area of the parallelogram contained by the lines \( 4 y-3 x-a=0,3 y-4 x+a=0 \), \( 4 y-3 x-3 a=0 \) and \( 3 y-4 x+2 a=0 \) is \( \frac{2}{7} a^{2} \).https://bit.ly/YTAI_PWAP https://www.pw.live
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