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- Through the vertex "O" of the parabola y^2=4a x , variable chords O ...
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- The number of ways of arranging the letters A A A A A,BBB,C C C,D,E E&...
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- Find the least positive integer n such that ((2i)/(1+i))^n is a positi...
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- A parallelepiped is formed by planes drawn through the points (2,3,5)a...
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- If in a triangleABC , a = 6, b=3 and cos(A-B)=4/5 then find its area...
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- The centre of a square ABCD is at z0dot If A is z1 , then the centroid...
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- The logically equivalent proposition of phArrq is (p^^q)vv(p^^q) b. (p...
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- The plane x+2y+3z=7 is rotated about the line where it cut y z -plan...
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- The common roots of the equation z^3+2z^2+2z+1=0 and z^(1985)+z^(100)+...
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- The value of int1^(e^(37))(pi"sin"(piI nx))/x dx is 2 b. 4 c. e^(27) d...
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- If the tangents from the point (lambda, 3) to the ellipse x^2/9+y^2/4=...
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- Mean deviation of the series a,a+d,a+2d,.......,a+2nd from its mean is...
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- If z=((sqrt(3))/2+i/2)^5+((sqrt(3))/2-i/2)^5 , then prove that I m(z)=...
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- A class has tree teachers, Mr. X, Ms.Y and Mrs.Z and six students A, ...
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- The vector hat i+x hat j+3 hat k is rotated through an angle theta an...
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- If x+iy=3/(2+costheta +i sin theta), then show that x^2+y^2=4x-3
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- In an examination, the marks for physics and chemistry papers are 25 e...
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- Which one of the following triplets CANNOT be the angles made by a ...
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- If |z1|=1,|z2|=2,|z3|=3,a n d|9z1z2+4z1z3+z2z3|=12 , then find the va...
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- The total number of divisors of the number N=2^(5).3^(4).5^(10).7^(6) ...
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