if f(x) =|{:(mx,,mx-p,,mx-p),(n,,n+p,,n-...

if f(x) =`|{:(mx,,mx-p,,mx-p),(n,,n+p,,n-p),(mx+2n,,mx+2n+p,,mx+2n-p):}|` then
y=f(x) represents

A

a straight line parallet to x-axis

B

a striaght line parallel to y-axis

C

parabola

D

a striaght line with negative slope

Verified by Experts

The correct Answer is:

B

`R_(3) to R_(3)- 2R_(2)` hence two indentical rows `rArr f(x) =` constant

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