The maximum coefficients in the expansion of (1+x)(2n+2) is :
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The angle between the tangents drawn from (0,0) to the circle x2 + y2 + 4x - 6y + 4 = 0 is
The solution of the equation cosylog(secx+tanx)dx=cosxlog(secy+tany)dy is
The equation of the ellipse whose focus is at (4, 0) and whose eccentricity is 4/5 is
The line p = x cos α + y sin α. becomes tangent to x2/a2 - y2/b2 = 1 is
If the equation x - sin x = k has a unique root in , , then the range of values of k are
The equation of the parabola whose focus is the point (0,0) and the tangent at the vertex is x-y+1=0 is
Out of 15 students studying in a class, 7 are from Maharashtra, 5 are from karnataka and 3 are from Goa. Four students are to be selected at random. What are the chances that at least one is from Karantaka?
3 videos|10 docs|54 tests
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3 videos|10 docs|54 tests
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