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JEE MAINS PREVIOUS YEAR-JEE MAIN-MATH
- Let alpha =(-1+isqrt3)/(2). If a=(1+alpha) sum(k=0)^(100) alpha^(2...
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- lambda x + 2y + 2z = 5, 2lambda x + 3y + 5z = 8, 4x + lambda y + 6z =...
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- Let veca=hati-2hatj+hatkand vecb=hati-hatj+hatk be two vectors. If vec...
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- Let f(x) = (x[x])/(x^2+1) : (1, 3) rarr R then range of f(x) is (where...
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- lim(xto0) (int(0)^(x)tsin(10t)dt)/(x) is equal to :
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- If y = mx + c is a tangent to the circle (x – 3)^2 + y^2 = 1 and also ...
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- Normal at (2, 2) to curve x^2 + 2xy – 3y^2 = 0 is L. Then perpendicula...
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- Let A and B two events such that the probgability that exactly one of ...
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- The differential equation of the family of curves, x^(2)=4b(y+b),b in ...
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- Let P be the set of points (x, y) such that x^2 lt y lt – 2x + 3. Then...
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- The mirror image of the point (1,2,3) in plane is (-7/3,-4/3, -1/3) . ...
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- Mean and variance of 20 observation are 10 and 4. It was found, that i...
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- Let coefficient of x^4 and x^2 in the expansion of (x+sqrt(x^2-1))^6+(...
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- Solution set of 3^x (3^x –1) + 2 = |3^x –1| + |3^x – 2| contains
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- If I= int(1)^(2)(dx)/(sqrt(2x^3-9x^2+12x+4)), then
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- The number of four letter words that can be made from the letters of w...
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- Let f(x) is a three degree polynomial for which f ' (–1) = 0, f '' (1)...
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- If sqrt2(sin alpha)/(sqrt(1+cos2 alpha))=1/7 and sqrt((1-cos2beta)/2)=...
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- Let the line y = mx intersects the curve y^2 = x at P and tangent to y...
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- The sum Sigma(n=1)^(7) (n(n+1)(2n+1))/(4) is equal to .
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