st-line

Question: The equation of the line bisecting the line segment joining the points (a, b) and $({a}',\ {b}')$ at right angle, is

1) $2(a-{a}')x+2(b-{b}')y={{a}^{2}}+{{b}^{2}}-{{{a}'}^{2}}-{{{b}'}^{2}}$

2) $(a-{a}')x+(b-{b}')y={{a}^{2}}+{{b}^{2}}-{{{a}'}^{2}}-{{{b}'}^{2}}$

3) $2(a-{a}')x+2(b-{b}')y={{{a}'}^{2}}+b{{'}^{2}}-{{a}^{2}}-{{b}^{2}}$

4) None of these

Solution:

Explanation: No Explanation

Slope of line Equation of line in different forms

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