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Find the minimum value of (a x+b y), whe...

Find the minimum value of `(a x+b y),` where `x y=c^2dot`

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XII BOARD PREVIOUS YEAR PAPER ENGLISH-BOARD PAPER SOLUTIONS-All Questions
  1. Let f: N -> R be a function defined as f(x)=4x^2+12 x+15. Show that f:...

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  2. Find the distance of the point (1,-2,3) from the plane x-y+z=5 measure...

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  3. Find the minimum value of (a x+b y), where x y=c^2dot

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  4. Find the coordinates of a point on the parabola y=x^2+7x+2 which is cl...

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  5. Using properties of determinants, prove the following: |[1,a,a^2],[a^2...

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  6. Solve the following differential equation : (sqrt(1+x^2+y^2+x^2y^2))d...

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  7. If a=[[5,6,-3],[-4,3,2],[-4,-7,3]], then write the cofactor of the e...

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  8. Write the sum of the order and degree of the differential equation ...

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  9. Write the solution of the differential equation (dy)/(dx)=2^(-y)

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  10. Using integration, find the area of the region bounded by the line x...

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  11. Find the probability distribution of the number of doublets in four...

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  12. Find the unit vector in the direction of the sum of the vectors 2 hat ...

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  13. Find the area of a parallelogram whose adjacent sides are represente...

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  14. Find the sum of the intercepts cut off by the plane 2x+y-z=5 , on the ...

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  15. If 2tan^(-1)(costheta)=tan^(-1)(2cos e ctheta),(theta!=0) , then find ...

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  16. If tan^(-1)(1/(1+1. 2))+tan^(-1)(1/(1+2. 3))+.... +tan^(-1)(1/(1+n.(n+...

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  17. Evaluate : int(sin(x-a))/(sin(x+a))dx

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  18. Maximise z = 8x + 9y subject to the constraints given below : 2x+3...

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  19. Evaluate: inte^(2x)sin(3x+1)\ dx

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  20. In a parliament election, a political party hired a public relation...

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