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Let A be the area between co-ordinate ax...

Let A be the area between co-ordinate axis, `y ^(2) =x -1,x ^(2) =y -1` and the line which makes the shortest distance between two parabolas and A be the area between `x =0, x ^(2)=y -1,x =y` and the shortest distance between `y ^(2) =x -1 and x ^(2) = y-1, ` then

A

` A= A'`

B

`A = (A')^(1//2)`

C

`A = 2A'`

D

can't say anything

Text Solution

Verified by Experts

The correct Answer is:
C
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FIITJEE-MATHEMATICS -ASSIGNMENT (SECTION(I) MCQ(SINGLE CORRECT)
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  2. P is a point on the parabola y^2= 4ax and PQ is its focal chord. If PT...

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  3. Let A be the area between co-ordinate axis, y ^(2) =x -1,x ^(2) =y -1 ...

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  4. An ellipse has point (1,-1)a n d(2,-1) as its foci and x+y-5=0 as one ...

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  5. Consider the ellipse x^2/3 + y^2/1 = 1. Let P,Q,R,S be four points on ...

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  6. If the curve (x ^(2))/(a ^(2)) + ( y ^(2))/(k^(2) a ^(2)) =1 and (x -g...

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  7. If [sin^-1x]+[cos^-1x]=0, where 'x' is a non negative real number and ...

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  8. If (sqrt2 cos x + sqrt2 sin x + sqrt7) m =1 holds then

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