plz help this question
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if roots are equal then
D = 0
b²- 4ac = 0
4(ac+bd)² = 4(a²+b²)(c²+d²)
a²c² + b²d² + 2abcd = a²c² + a²d² + b²c² + b²d²
2abcd = a²d² + b²c²
(ad - bc)² = 0
ad = bc
D = 0
b²- 4ac = 0
4(ac+bd)² = 4(a²+b²)(c²+d²)
a²c² + b²d² + 2abcd = a²c² + a²d² + b²c² + b²d²
2abcd = a²d² + b²c²
(ad - bc)² = 0
ad = bc
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I HOPE IT WILL HELP U....
THANK U :)
THANK U :)
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yash510:
thnq so much
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