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Solve for x: sqrt2x^2+7x+5sqrt2 = 0...

Solve for x: `sqrt2x^2+7x+5sqrt2 = 0`

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AGRAWAL PUBLICATION-SAMPLE PAPER 12-EXERCISE
  1. The perimeter of a rectangle is 82 m and its area is 400 m^(2). What i...

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  2. What is the value of k for which the system of equations x + 2y - 3 = ...

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  3. Solve for x: sqrt2x^2+7x+5sqrt2 = 0

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  4. Find the distance between the points (0,5) and (-5,0).

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  5. Which term of the A.P. 21,42,63, 84,….is 210?

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  6. Solve for x and y: x-y = 3 and x+2y = 6

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  7. Write a quadratic equation whose zeroes are -7 and 5.

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  8. If sin theta = 12/13, find the value of : (sin^2theta- cos^2 theta)/(2...

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  9. Find the area and perimeter of a sheet of a paper which is a sector o...

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  10. If the perimeter of a circle and a square are equal, then what is the ...

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  11. The two opposite verticles of a square (-1,2) and (3,2) . Find the coo...

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  12. Find a relationship between x and y such that the point (x,y) is equid...

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  13. Find the greatest number which when divides 245 and 1029 leaves remain...

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  14. Solve for x: x^4-20x^2+64 = 0.

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  15. Solve for x and y : = (3a)/x-(2b)/y= -5 and a/x+(3b)/y= 2,x,y!= 0.

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  16. Prove that the area of an equilateral triangle descriped on a side of ...

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  17. If alpha and beta are zeros of a quadratic polynomial 4x^2+4x+1, then ...

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  18. A farmer conects a pipe of internal diameter 20 cm from a canal into c...

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  19. How many terms of the A.P. 9,17,25,….. Must be taken to give a sum of ...

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  20. 5 books and 7 pens together cost Rs 79, whereas 7 books and 5 pens tog...

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