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ICSE Class 10 Answered

find the value of p the lines , whose equations are y=3x+7 and 2y+px=3 are perpendicular to each other.
Asked by anil | 23 Feb, 2018, 07:23: PM
answered-by-expert Expert Answer
begin mathsize 16px style slope space of space the space line space straight y equals 3 straight x plus 7 space is space 3 slope space of space the space line space 2 straight y equals negative px plus 3 rightwards double arrow straight y equals fraction numerator negative px plus 3 over denominator 2 end fraction straight y equals fraction numerator negative px over denominator 2 end fraction plus 3 over 2 space is space fraction numerator negative straight p over denominator 2 end fraction Product space of space slopes space equals space minus 1 space as space they space are space perpendicular. fraction numerator negative straight p over denominator 2 end fraction cross times 3 equals 1 straight p equals fraction numerator negative 2 over denominator 3 end fraction end style
Answered by Sneha shidid | 24 Feb, 2018, 07:07: PM
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ICSE 10 - Maths
find the value of p the lines , whose equations are y=3x+7 and 2y+px=3 are perpendicular to each other.
Asked by anil | 23 Feb, 2018, 07:23: PM
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