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  • Please Solve RD Sharma Class 12 Chapter 27 Straight Line in Space Exercise Fill in the blanks Question 13 Maths Textbook Solution.

Please Solve RD Sharma Class 12 Chapter 27 Straight Line in Space Exercise Fill in the blanks Question 13 Maths Textbook Solution.

Answers (1)

Answer :   \frac{x}{0}=\frac{y}{1}=\frac{z}{0}

Hint :  y-axis lies on xy plane  and yz.

Given : The equation of y-axis in symmetrical form.

Solution : As y-axis lies on xy plane and yz

                  So , its distance from xy and yz plane  is O .

                  ∴ By basic definition of 3-D coordinate we can say that

                   x-coordinate and z-coordinate are 0.

                   ∴ any point on y-axis has x and z coordinate = 0

                   ∴ x = 0 and z = 0 can be considered as the equation of y-axis.

                   Hence , the correct answer is  \frac{x}{0}=\frac{y}{1}=\frac{z}{0}

 

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