Statement I. Two of the straight lines r...

Statement I. Two of the straight lines represented by `dx^3+cx^2y+bxy^2+ay^3=0` will be at right angles if `d^2+bd+bc +a^2 =0`
Statement II. Product of the slopes of two perpendicular line is -1

A

Statement I is true, Statement II is true , Statement II is a correct explanation for Statement I

B

Statement I is true , Statement II is true , Statement II is not a correct explanation for statement I

C

Statement I is true , Statement II is false

D

Statement I is false , Statement II is true

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The correct Answer is:

b

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