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If m1,m2 " are the roots of the equation...

If `m_1,m_2 " are the roots of the equation " x^2-ax-a-1=0`, then the area of the triangle formed by the three straight line `y=m_1,x,y=m_2x and y=a(ane -1)` is

A

`(a^2(a+2))/(2(a+1)), ifagt-1`

B

`-(a^2(a+2))/(2(a+1)), ifagt-1`

C

`-(a^2(a+2))/(2(a+1)), if -2ltalt-1`

D

`-(a^2(a+2))/(29(a+1)), if alt-2`

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The correct Answer is:
A, C, D
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AAKASH SERIES-STRAIGHT LINES-LECTURE SHEET(EXERCISE-I Problems on slopes, Equation of line intercepts of a lines, Areas)(More than one correct answer Type Question)
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  4. Let S(1),S(2),S(3), …. Are squares such that for each nge1, The lengt...

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  9. A(3,0) and B(6,0) are two fixed points and U(x1,y1) is a variable poin...

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  10. A(3,0) and B(6,0) are two fixed points and U(x1,y1) is a variable poin...

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  11. Let us consider the situation when the axes are inclined at an angle o...

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  12. Let us consider the situation when the axes are inclined at an angle o...

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  13. Let us consider the situation when the axes are inclined at an angle o...

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  14. Given point A (6,30) and point B(24,6) equation of line AB is 4x+3y=11...

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  15. Given point A (6,30) and point B(24,6) equation of line AB is 4x+3y=11...

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  16. Given point A (6,30) and point B(24,6) equation of line AB is 4x+3y=11...

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