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The equation (x^(2))/(9-lambda)+(y^(2))/...

The equation `(x^(2))/(9-lambda)+(y^(2))/(4-lambda) =1` represents a hyperbola when `a lt lambda lt b` then `(b-a)=`

A

A. 3

B

B. 4

C

C. 5

D

D. 6

Text Solution

Verified by Experts

The correct Answer is:
C
`(9- lambda) (4-lambda) lt 0 rArr 4 lt lambda lt 9`
`rArr b -a = 5`
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