Example 12 : Find the value of K, if the lines
Kx - 6y = 9 and 6x + 5y = 13 are perpendicular to
each other.
[W'11]
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perimeter is 4(3x + 5y ) or (12x + 20y ) in. ... the situation to determine whether one or both solutions answer the ... 13. l ⊥ m ( Perpendicular lines intersect to form four right ... 1 〉 + 〈kx. 2.
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