Q.
If the slope of one of the lines represented by the equation a3x2−2hxy+b3y2=0 be the square of other then ab2,h,a2b are in
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a
A.P
b
G.P
c
H.P
d
A.G.P
answer is A.
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Detailed Solution
m+m2=2hb3.........(1); m(m2)=a3b3⇒m=abfrom (1) ⇒m=ab+a2b2=2hb3⇒ab2+a2b=2h
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