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NCERT Class XII Mathematics Chapter - - Solutions
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Question 49 - 54: In the following cases, determine whether the given planes are parallel or perpendicular, and in case they are neither, find the angles between them.
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Question : 51 of 78
Marks:
+1,
-0
2x + y + 3z – 2 = 0 and x – 2y + 5 = 0
Solution:
The given planes are 2x + y + 3z – 2 = 0 and x – 2y + 5 = 0Since, (2) (1) + (1) (–2) + (3) (0) = 0∴ The planes are perpendicular.
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