The distance between the lines given by \( (x+7 y)^{2}+4 \sqrt{2}(x+7 y)-42=0 \), is (A) \( 4 / ...
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0The distance between the lines given by \( (x+7 y)^{2}+4 \sqrt{2}(x+7 y)-42=0 \), is
(A) \( 4 / 5 \)
(B) \( 4 \sqrt{2} \)
(C) 2
(D) \( 10 \sqrt{2} \)
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