Question

i) If the line x+y=0 is perpendicular to the line 3r+ 4x + y = 0. Then is
the value
a) k=1
b) k=-1
c) 0
& none of these
​

Answer 1

Answer:

none of these because their asking for r but in option k is there

Answer 2

Answer:

k = 0

Step-by-step explanation:

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