Find the following matrices: a) A+B. (b) A−B. (c) −4A. A=[2−10−21412104−22],B=[610−20−12−4−52−2]

Question

Elberte · Accepted Answer

Given,  A=[2−10−21412104−22],B=[610−20−12−4−52−2]  a)A+B=[2−10−21412104−22]+[610−20−12−4−52−2]  =[2+6−10+10−2−214+012−1210−44−5−2+22−2]  =[80−41406−100]  Step 2  b)A−B=[2−10−21412104−22]−[610−20−12−4−52−2]  =[2−6−10−10−2−(−2)14−012−(−12)10−(−4)4−(−5)−2−22−(−2)]  =[−4−2001424149−44]  c)−4A=−4[2−10−21412104−22]  =[−4(2)−4(−10)−4(−2)−4(14)−4(12)−4(10)−4(4)−4(−2)−4(2)]  =[−8408−56−48−40−168−8]

Jeffrey Jordon · Accepted Answer

Answer is given below (on video)

Jeffrey Jordon · Accepted Answer

Answer is given below (on video)

Find the following matrices: a) A+B. (b) A−B. (c) −4A. A=[2−10−21412104−22],B=[610−20−12−4−52−2]

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