Let and Given that and are perpendicular.So,⇒1-4x2 -6y2 =0⇒4x2+6y2=1Here, vectors are in 3-Dimensions∴ above equation represents an ellipse .i.e. locus of (x, y) is an ellipse.

Q. 8

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Class 12th RD Sharma - Volume 2 24. Scalar or Dot Products

Answer :

Let and

Given that and are perpendicular.

So,

⇒1-4x² -6y² =0

⇒4x²+6y²=1

Here, vectors are in 3-Dimensions

∴ above equation represents an ellipse .i.e. locus of (x, y) is an ellipse.

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