किस (k) के लिए (y=200-(k+2)x) रेखीय क्षय दिखाएगा?
For which (k) will (y=200-(k+2)x) show linear decay?
Explanation opens after your attempt
A. (k>-2)
Concept
For decay the effective coefficient must be negative. From (-(k+2)<0), (k>-2).
Why this answer is correct
The correct answer is A. (k>-2). For decay the effective coefficient must be negative. From (-(k+2)<0), (k>-2).
Exam Tip
क्षय के लिए प्रभावी गुणांक ऋणात्मक चाहिए। (-(k+2)<0) से (k>-2) मिलता है।
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