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Question

Question: A line makes p and q as intercepts on axes and a is the length of perpendicular from the origin to t...

A line makes p and q as intercepts on axes and a is the length of perpendicular from the origin to the line then-

A

a = p + q

B

a2 = p2 + q2

C

= +

D

None of these

Answer

= +

Explanation

Solution

Equation of line + = 1

Q OM = a

\ a = 11p2+1q2\left| \frac { 1 } { \sqrt { \frac { 1 } { \mathrm { p } ^ { 2 } } + \frac { 1 } { \mathrm { q } ^ { 2 } } } } \right|

Ž + =