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Please solve RD Sharma class 12 chapter 28 The Plane exercise very short answer type question 13 maths textbook solution

Answers (1)

Answer:

3x + 2y - z = 3

Hint:

 Plane parallel to 3x + 2y - z = 7 is 3x + 2y - z = λ

Given:

 Plane passing through (2,-1,1) and ? to 3x + 2y - z = 7

Solution:

3x + 2y - z = 7                 ...(i)

∴ Eqn of parallel to (i)

3x + 2y - z = λ                  ...(ii)

(ii) Passes through (2,-1,1)

3(2) + 2(-1) - (1) = λ

λ = 3

∴ Eqn. (ii) Become  3x + 2y - z = 3

Posted by

Gurleen Kaur

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