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Provide solution for RD Sharma maths class 12 chapter 28 The Plane exercise very short answer type question 18

Answers (1)

Answer:

 \frac{5}{2}

Hint:

 Intercept form of plane

\frac{x}{a}+\frac{y}{b}+\frac{z}{c}=1

Given:

 2x + y - z = 5

Solution:

 2x + y - z = 5            .....(i)

\begin{aligned} &\Rightarrow \frac{2x}{5}+\frac{y}{5}-\frac{z}{5}=1\\ &\Rightarrow \frac{x}{\frac{5}{2}}+\frac{y}{5}-\frac{z}{5}=1\\ &\Rightarrow a=\frac{5}{2} \end{aligned}

Plane (i) cut x-axis at

\begin{aligned} &\frac{5}{2} \end{aligned}

Posted by

Gurleen Kaur

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