CBSE Class 12-science Answered
Asked by indupremachandran | 26 May, 2019, 13:08: PM
Follow given steps to prove the question which you have posted.
i) Multiplying R1, R2 and R3 by a, b, c respectively and dividing by abc
ii) Take a, b, c common from C1, C2 and C3 respectively.
iii) ![begin mathsize 16px style straight C subscript 3 rightwards arrow straight C subscript 3 minus straight C subscript 1 space and space straight C subscript 2 rightwards arrow straight C subscript 2 minus straight C subscript 1 end style](https://images.topperlearning.com/topper/tinymce/cache/bbf5d87aa39784cdbc9a29b440eec862.png)
![begin mathsize 16px style straight C subscript 3 rightwards arrow straight C subscript 3 minus straight C subscript 1 space and space straight C subscript 2 rightwards arrow straight C subscript 2 minus straight C subscript 1 end style](https://images.topperlearning.com/topper/tinymce/cache/bbf5d87aa39784cdbc9a29b440eec862.png)
iv) (a + b + c) common from C2 and C3
v) R1 →R1 - (R2 + R3)
vi) ![begin mathsize 16px style straight C subscript 2 rightwards arrow straight C subscript 2 plus 1 over straight b straight C subscript 1 space and space straight C subscript 3 rightwards arrow straight C subscript 3 plus 1 over straight c straight C subscript 1 end style](https://images.topperlearning.com/topper/tinymce/cache/4bf34e005acfea01c6fddddf111afbdc.png)
![begin mathsize 16px style straight C subscript 2 rightwards arrow straight C subscript 2 plus 1 over straight b straight C subscript 1 space and space straight C subscript 3 rightwards arrow straight C subscript 3 plus 1 over straight c straight C subscript 1 end style](https://images.topperlearning.com/topper/tinymce/cache/4bf34e005acfea01c6fddddf111afbdc.png)
Now solve using determinant.
Answered by Sneha shidid | 27 May, 2019, 10:25: AM
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