Find the angle between the planes whose vector equations are vector r.(2i+2j-3k)=5 and vector r.(3i-3j+5k)=3

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asked Jan 25, 2018 in Mathematics by sforrest072 (157,439 points) 63 448 1263
edited Mar 7, 2018 by Vikash Kumar
Find the angle between the planes whose vector equations are

vector r.(2i+2j-3k)=5 and vector r.(3i-3j+5k)=3

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answered Jan 25, 2018 by mdsamim (213,225 points) 5 10 21
edited Mar 7, 2018 by Vikash Kumar
 
Best answer

normal to the planes, , then the angle between them, Q, is given by,

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