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Question : 41 of 160
Marks:
+1 ,
-0
Solution:
Let
C ≡ ( 0 , h ) So,
D ≡ ( 0 , h + 4 )
Equation of
A C in slope intercept form,Equation of
A C in slope intercept form,
‌ ‌ + ‌ = 1 ⇒ ‌ = ‌ ⇒ h = ‌ .....(i)
Similarly, equation of
B D ,
‌ ‌ + ‌ = 1 ⇒ ‌ ‌ ‌ = ‌ ⇒ ‌ ‌ h + 4 = ‌ ⇒ h = ‌ − 4 ....(ii)
On comparing Eqs. (i) and (ii), we get
‌ = ‌ − 4 ⇒ 4 y ( 4 + x ) = 4 y ( 4 − x ) + 4 ( 4 + x ) ( 4 − x )
⇒ x 2 + 2 x y − 16 = 0 © examsiri.com
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