Math, asked by gvrnishchalreddy07, 8 months ago

please answer 4th question with procedure​

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Answered by nidhiakara
0

Answer:

Step-by-step explanation:  

          let them be A B C D

                                            now write determinent

                                 a        b        c

                                 B-A

                                  C-A

                                   D-A

                                ON SOLVING U WILL GET DET = 0

                         hence they are coplanar

   let me know if u got this right

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