AP and TS EAMCET Engineering Model Paper 7

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Question : 26 of 160

Marks: +1, -0

If f(x) =|

x+λ	x	x
x	x+λ	x
x	x	x+λ

| then f (3x) − f (x) is equal to

3xλ2
6xλ2
xλ2
5xλ2

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