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If the line ax+by+c=0;a≠0,b≠0 is perpendicular to line 3y+4x+5=0, then the value of 3a+4b is |
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Answer» If the line ax+by+c=0;a≠0,b≠0 is perpendicular to line 3y+4x+5=0, then the value of 3a+4b is |
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