Two equal circles of radius 3 cm each and distance between their centres is 10 cm. The length of one of their transverse common tangent is
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A circle and a square have same area. The ratio of the side of the square to the radius of the circle will be:
The sum of squares of three positive integers is 323. If the sum of squares of two numbers is twice the third, their product is
For triangle ABC, find equation of median AD if coordinates of points A, B and C are (2,4), (3,0) and (5,2) respectively?
x, y and z are real numbers. If x3 + y3 + z3 = 13, x + y + z = 1 and xyz = 1, then what is the value of xy + yz + zx?
Simplify (533bxaz)/(41ab)
What is the value of (2 - 2z + z2)(2 + 2z - z2), when z+2z = 2 ?
Coefficient of x in (x + 9)(8 - 5x) is