Q.
The Range of values of the ordinate of a point moving on the line x=1 and always remaining in the interior of the triangle formed by the lines y=x, the x-axis and x+y=4 is
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a
(0, 1)
b
[0, 1]
c
[0, 4]
d
(0, 4)
answer is A.
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Detailed Solution
2k>0⇒ k>04(1−k)>0⇒k<1−(1+k−4)>0⇒k<3k∈(0,1)
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