If p is the length of the perpendicular dropped from the origin of the line x/y +y/b = 1 , proove that 1/a^2 +1/b^2 =1/p^2.

Merrida uses a pattern in the multiplication table below to find ratios that are equivalent to 7: 9. if merrida multiplies the first term, 7, by a factor of 6, what should she do to find the other term for the equivalent ratio? multiply 9 by 1. multiply 9 by 6. multiply 9 by 7. multiply 9 by 9.