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x prop y^2 and y = 2a when x = a, then s...

`x prop y^2` and y = 2a when x = a, then show that `y^2 = 4ax`.

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UNITED BOOK HOUSE-QUESTION PAPER 2019-Exercise
  1. In a partnership business the ratio of capitals of three men is 3 : 5 ...

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  2. If a/2 = b/3 = c/4 = 2a-3b+4c/p, then find p.

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  3. x prop y^2 and y = 2a when x = a, then show that y^2 = 4ax.

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  4. In a trapezium ABCD, BC AD and AD = 4 cm. the two diagonals AC and BD ...

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  5. Two chords AB and AC of a circle are mutually perpendicular to each ot...

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  6. In triangle ABC, angle ABC =90^@ and BD bot Ac, if AB = 5 cm, BC = 12 ...

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  7. Find the value/values of theta(0^@ le theta le 90^@) for which 2 sin t...

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  8. If sin 10 theta = cos 8 theta and 10 theta is a positive acute angle, ...

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  9. The length breadth and height of a cuboidal room be a unit, b unit, an...

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  10. The area of curved surface of a right circular cone is sqrt 5 times th...

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  11. The mid value of first (2n + 1 ) consecutive natural number is n + 103...

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  12. If interest is compounded half yearly what will be the compound intere...

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  13. Tow friends start a partnership business investing ₨. 40,000 and ₨. 50...

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  14. Answer any One question : Determine the equation whose roots are the ...

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  15. If the price of 1 dozen pen is reduced by ₨. 6, then 3 more pens will ...

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  16. Answer any One question : Simplify : (4sqrt3)/(2-sqrt2)-(30)/(4sqrt3-...

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  17. If ((1)/(x)-(1)/(y))prop1/(x-y),then show that (x^2 + y^2)propxy.

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  18. Answer any One question : If (3x - 2y) : (x + 3y) = 5 : 6, then find ...

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  19. If b+c-a/x+y-x = c+a-b/c+x-y = a+bc/x+y-z, then prove that a/x = b/y =...

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  20. Answer any One question : prove that semicirular angle is a right ang...

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