तीन रेखायें \( p x+q y+r=0, \quad q x+r y+p=0 \), \( r x+p y+q=0 \) संगामी है, यदि-
(A) \( p+q+r...
तीन रेखायें \( p x+q y+r=0, \quad q x+r y+p=0 \), \( r x+p y+q=0 \) संगामी है, यदि-
(A) \( p+q+r=p q r \)
(B) \( p^{3}+q^{3}+r^{3}=3 p q r \)
(C) \( p^{2}+q^{2}+r^{2}=2(p q+q r+r p) \)
(D) इनमें से कोई नहीं।
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