If the product of the roots of the equation 3kx² − 25kx + k + 8 = 0 is 3, then k isयदि समीकरण 3kx² − 25kx + k + 8 = 0 के मूलों का गुणनफल 3 हो, तो k है
यदि समीकरण 3kx² − 25kx + k + 8 = 0 के मूलों का गुणनफल 3 हो, तो k है
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Correct answer: (A) 11
Explanation
Product of roots = (k + 8)/(3k) = 3, so k + 8 = 9k and k = 1.मूलों का गुणनफल = (k + 8)/(3k) = 3, अतः k + 8 = 9k और k = 1।