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12th Tamil Nadu Board
IMPORTANT
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If a and b are parallel vectors, then [a,b,c]  is equal to

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Important Questions on Solved Mathematics Paper-1

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12th Tamil Nadu Board
IMPORTANT
The function f(x)=tanx-x. Choose the correct option.
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12th Tamil Nadu Board
IMPORTANT

If ω is a cube root of unity then the value of 1-ω+ω24+1+ω-ω24 is 

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12th Tamil Nadu Board
IMPORTANT
For simultaneous equations in variables x and y,Dx=49, Dy=-63, D=7 then the value of x is
EASY
12th Tamil Nadu Board
IMPORTANT
A tangent drawn to the curve y=fx at Px, y cuts the x & y axis at A and B respectively. If BP:AP=3:1 and f1=1, then normal to the curve at 1,1 is
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12th Tamil Nadu Board
IMPORTANT
Solve the differential equation dydx=ex-y+x2e-y.
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12th Tamil Nadu Board
IMPORTANT
The area of the region bounded by the x-axis, y=cosx and y=sinx, 0xπ2 is
EASY
12th Tamil Nadu Board
IMPORTANT
The variance of random variable X is 4 its mean is 2 then E(X2) is