किस (k) के लिए (y=260-(k-4)x) रेखीय क्षय दिखाएगा?
For which (k) will (y=260-(k-4)x) show linear decay?
Explanation opens after your attempt
A. (k>4)
Concept
For decay the effective coefficient must be negative. From (-(k-4)<0), (k>4).
Why this answer is correct
The correct answer is A. (k>4). For decay the effective coefficient must be negative. From (-(k-4)<0), (k>4).
Exam Tip
क्षय के लिए प्रभावी गुणांक ऋणात्मक चाहिए। (-(k-4)<0) से (k>4) मिलता है।
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