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The image of the pair of lines represent...

The image of the pair of lines represented by `a x^2+2h x y+b y^2=0` by the line mirror `y=0` is `a x^2-2h x y-b y^2=0` `b x^2-2h x y+a y^2=0` `b x^2+2h x y+a y^2=0` `a x^2-2h x y+b y^2=0`

A

`ax^(2)-2hxy-by^(2)=0`

B

`bx^(2)-2hxy+ay^(2)=0`

C

`bx^(2)+2hxy+ay^(2)=0`

D

`ax^(2)-2hxy+by^(2)=0`

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The correct Answer is:
D
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-MOCK TEST 2-MCQS
  1. The equation sinx(cos x)=cos(sin x) has

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  2. The value of tan^(-1)(1)+cos^(-1)(-1/2)+sin^(-1)(-1/2) is equal to pi/...

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  3. The image of the pair of lines represented by a x^2+2h x y+b y^2=0 by ...

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  4. The line (x)/(2)=-(y)/(3)=(z)/(1) is vertical. The direction cosines o...

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  5. The perpendicular distance of the origin from the plane which makes in...

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  6. If a1,a2,a3, ,an are an A.P. of non-zero terms, prove that 1/(a1+a2...

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  7. Which of the following to is the common region for x+y le 10, x ge 5, ...

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  8. The function f(x)=(e^(tanx)-1)/(e^(tanx)+1) is discontinuous at x is e...

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  9. Without rotating the original coordinate axes, to which point should o...

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  10. if x^y . y^x =16 then dy/dx at (2,2) is equal to

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  11. A spherical balloon is punped at the rate of 10 "inch"^(3) min^(-1), t...

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  12. int(3+2cosx)/((2+3cosx)^(2))dx is equal to

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  13. If int((sqrt(x))^(5))/((sqrt(x))^(7)+x^(6))dx=lamdaln(1+2cosx)/((2+cos...

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  14. The value of int(0)^(pi//2)(1+2cosx)/((2+cosx)^(2))dx is

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  15. The circumcentre of the triangle formed by the lines, xy + 2x + 2y + 4...

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  16. If sintheta=sinalpha, then

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  17. The sum of of the mean and variance of a binomial distribution is 15 a...

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  18. . Which one of the following is possible (a) sintheta = (a^2 + b^2)/(...

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  19. Let alphaandbeta be such that piltalpha-betalt3pi. If sinalpha+si...

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  20. If A is a square matrix of order 2xx2 such that A^(2)=O then,

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