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UNITED BOOK HOUSE-HINDU SCHOOL -EXERCISE
- If (x+sqrt(x^2-1))/(x-sqrt(x^2-1))+(x-sqrt(x^2-1))/(x+sqrt(x^2-1))= 14...
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- If a alpha b and b alpha c then show that a^3b^3+b^3c^3+c^3a^3 alpha a...
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- What should be added to each of a,b,c,d to make the sums proportional?
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- If (x^2-yz)/a=(y^2-zx)/b=(z^2-xy)/c , show that (a+b+c)(x+y+z)=(ax+by...
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- Answer any One queation : Prove that, if a perpendicular is draw on t...
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- Prove that opposite angles of a cyclic quadrilateral are supplementary
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- The radius of a circle is 8 cm. Calculate the length of a tangent draw...
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- Two tangents AB and AC drawn from an external point A of a circle touc...
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- Draw a triangle whose two side are 7.6 cm and 6 cm in length and the a...
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- Geometrically find the value of sqrt(29).
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- Find the values of (2 tan^2 30^@)/(1-tan^2 30^@)+sec^2 45^@-cot^2 45^@...
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- If alpha+beta = 90^@, prove that sec^2 alpha+sec^2 beta = sec^2 alpha ...
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- If sec theta+tan theta = x, prove that sin theta= (x^2-1)/(x^2+1)
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- A man standing on a railway bridge 5sqrt3 meters high, observes the en...
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- Two towers are situated at a distance of 120sqrt2 metre and the height...
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- The length of the radius of cross section of a solid right circular ro...
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- Length of radius and height of a right circular draw are 21 cm and 21 ...
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- The length of two sides adjacent to right angle of a right angled tria...
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- Calculate the mean of obtained marks of 64 students from the given dat...
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- Find the median of the following data.
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