If alpha beta gamma are in ap then using the properties of determinant prove that .............
If alpha beta gamma are in ap then using the properties of determinant prove that .............
Heer , 7 Years ago
Grade 12
Algebra> If alpha beta gamma are in ap then using ...
1 AnswersArun
Last Activity: 7 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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