SOLUTION: If the line (b^2-1)x-(b+1)y=b is perpendicular to the line x+2y=1, then find the value of b.
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Question 1005247: If the line (b^2-1)x-(b+1)y=b is perpendicular to the line x+2y=1, then find the value of b.
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
The slopes, and , must be able to form a product of . The solved value for b will make the two lines perpendicular.
, factorable.
You WANT the slope of the first equation to be 2.
b=3 will work, but b=-1 will not work.
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