Question

Find the value of p so that the quadratic equation px(x-3)+9=0 has two equal roots

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Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

A shopkeeper sold an item at 20% profit. If he had bought the same item at 20% less cost, he would

have had 25% profit even after cutting down its selling price by 100. What is the cost price of the item