If alpha beta gamma are in ap then using the properties of determinant prove that .............
Heer , 6 Years ago
Grade 12
Algebra> If alpha beta gamma are in ap then using ...
1 Answers
Arun
Last Activity: 6 Years ago
Dear Heer
If I add Row 1 and Row 3
Then
R1 ----> R1 + R3
2(x-2) 2(x-3) 2(x - (
))
x-2 . x -3. x - 
x-1. x-2. x - 
Now
Take 2 common from 1st row then,
1st row and 2nd row will be same hence
Value of determinants will be 0.
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