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If mid point of the line segment joining the point p (a, b - 2) & q (-2, 4) is R (2, - 3) Then find the value of a and b will be?

Posted by Kusum Malik 6 years, 3 months ago

CBSE > Class 10 > Mathematics

1 answers

Sia ? 6 years, 3 months ago

According to question
PR = RQ or R is mid-point of PQ
Using mid-point formula x {tex}= \frac { x _ { 1 } + x _ { 2 } } { 2 }{/tex} and y {tex}= \frac { y _ { 1 } + y _ { 2 } } { 2 }{/tex}
{tex}\frac { b - 2 + 4 } { 2 }{/tex} = - 3
{tex}\Rightarrow{/tex} b + 2 = - 6
{tex}\Rightarrow{/tex} b = - 8

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CBSE > Class 10 > Mathematics