A line cuts two concentric circles. The lengths of chords formed by that line on the two circles are 4 cm and 16 cm. What is the difference (in cm2) in squares of radii of two circles?
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Find the area (in sq units) enclosed by y = 0, x+6=0 and 2x-3y=6.
∆DEF is right angled at E. If cosD = 5/13, then what is the value of tanF?
If sin P + cosec P = 2, then the value of sin7P + cosec7P is
If x+1x ≠0 and x3+1x3 = 0, then the value of x+1x4 is :
If a2+b2c2 = b2+c2a2 = c2+a2b2 = 1k k≠0 then k =
If tan2A / (secA - 1)2 = x, then the value of x is
What number should be added to each of the numbers 94, 24, 100 and 26, so that the resulting numbers are in continued proportion?
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