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Ex 3.2, 8 - Find X, if Y = [3 2 1 4], 2X + Y = [1 0 -3 2] - Addition/ subtraction  of matrices

Ex 3.2, 8 - Chapter 3 Class 12 Matrices - Part 2

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Transcript

Ex 3.2, 8 Find X, if Y = [■8(3&2@1&4)] and 2X + Y = [■8(1&0@−3&2)] Given 2X + Y = [■8(1&0@−3&2)] Putting value of Y 2X + [■8(3&2@1&4)] = [■8(1&0@−3&2)] 2X = [■8(1&0@−3&2)] – [■8(3&2@1&4)] 2X = [■8(1−3&0−2@−3−1&2−4)] 2X = [■8(−2&−2@−4&−2)] X = 1/2 [■8(−2&−2@−4&−2)] X = [■8((−2)/2&(−2)/2@(−4)/2&(−2)/2)] X = [■8(−1&−1@−2&−1)] Hence, X = [■8(−1&−1@−2&−1)]

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.