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Explain solution RD Sharma class 12 chapter 28 The Plane exercise multiple choice question 24 maths

Answers (1)

Answer:

 Option (b)

Hint:

 Use vector addition.

Given:

 (-1, 5, 4)

Solution:

Line passes through (-1, 5, 4) and perpendicular to the plane z = 0

Equation of plane

0. x + 0. y + 1. z = 0

Normal of plane (0, 0, 1)

Equation of line

r = (-1, 5, 4) + \lambda (0, 0, 1)

\therefore \overrightarrow{r}=-\widehat{i}+5\widehat{j}+4\widehat{k}+\lambda \widehat{k}

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Gurleen Kaur

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