CBSE Class 12-science Answered
Solve only by using elementary operations not Adjoints:
![question image](http://images.topperlearning.com/topper/new-ate/417579WhatsAppImage20200525at2.36.14PM.jpeg)
Asked by Gounshi | 01 Jun, 2020, 17:07: PM
To find the inverse of the matrix [1, 0, 0 // 0, cos alpha, sin alpha // 0, sin alpha, -cos alpha]
Inverse can be obtained using Elementary transformation as follows:
![](https://images.topperlearning.com/topper/tinymce/imagemanager/files/daf348772a0b499755d0c230af000c485ed5fa16471eb1.36633108WhatsAppImage20200602at12.31.31PM.png)
Answered by Renu Varma | 02 Jun, 2020, 12:35: PM
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