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If x^2+y^2-4x-6y+13=0, then find the val...

If `x^2+y^2-4x-6y+13=0`, then find the value of (x+y):(y-x).

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UNITED BOOK HOUSE-RAMAKRISHNA MISSION VIDYALAYA, NARENDRAPUR-EXERCISE
  1. If the roots of the equation x^2+7x+m=0 are two consecutive whole numb...

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  2. Two circles intersect each other. Radius of both the circles is 10cm ...

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  3. If x^2+y^2-4x-6y+13=0, then find the value of (x+y):(y-x).

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  4. The cruved surface area of a shpere is reduced from 16pi sq cm to 4pi ...

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  5. If the radius of a cone be r units, its height h unit and lateral surf...

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  6. If the ratio of areas of two similar traingles be 64:49, then find th...

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  7. What is the value of the third angle of a triangle in radian when its ...

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  8. angleB is the right angle of a right angled isosceles triangleABC. Th...

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  9. If 2x^2+3y^2 alpha xy, then show that x alphay.

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  10. If the numbers 1,1/2,1/3,1/4,….1/n have frequencies 1,2,3,4…n respecti...

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  11. The simnple interest and compound interest on a certain sum os money f...

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  12. Nivedita and Uma have started a business with capital Rs.3000 and Rs 5...

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  13. Solve: a/(x-b)+b/(x-a) = 2(x!=b,a)

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  14. A man goes to a place covering distance of 8km and returns to the sam...

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  15. If x= (sqrt2+1)/(sqrt2-1) and x-y= 4sqrt2 then find the value of x^4+y...

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  16. Three variable x,y,z such that y+z-x is a constant and if (z+x-y)(x+y-...

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  17. If (ad-bc)/(a-b-c+d) = (ac-bd)/(a-b+c-d) then show that each ratio = (...

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  18. If a+c = 2b and 2/c= 1/b+1/d then prove that a:b = c:d.

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  19. Prove that opposite angles of a cyclic quadrilateral are supplementary

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  20. State and prove Pythagoras theorem.

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