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Find out slope of dd curve from the foll...

Find out slope of dd curve from the following data:
`{:(P " Rs.40,",Q" 40units"),(P_(1)" Rs. 80,",Q" 20 units"):}`

Text Solution

Verified by Experts

Slope `=(DeltaP)/(DeltaQ)=(P_(1)-P)/(Q_(1)-Q)`
`=(80-40)/(20-40)=(40)/((-)20)`
`=(-)2`
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