NAT I General Science Mathematics With Answers

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NAT I General Science Mathematics

Sr. # Questions Answers Choice
1 Which is an explicit function y = x<sup>2</sup> +2x -1 x<sup>2</sup> +xy +y<sup>2</sup> =2 xy<sup>2</sup> -y +9/xy =1 All are
2 Which is not included in the domain of Cos-1 x 0 1 -1 2
3 P(x) = 2x4 -3x3 +2x-1 is polynomial of degree 1 2 3 4
4 If f (x) = x/x2- 4 then which is not included in the domain of f(x) 0 -2 1 4
5 If f(x) = x3- 2x2 +4x-1, then f(-2) =? 0 -25 5 45
6 Which of the following is the solution of Cot2x = 1/√3 π/5 π/3 π/7 π/9
7 Which of the following is solution of Tan2 x = 1/3 7π/6 5π/6 π/6 All
8 If x lies in {0, 2π} and Cosec x = 2 then x = π/ 6 and 5π/6 π +2nπ nπ 2π/3 and&nbsp;π/3
9 If 1 + Cos x = 0 then x = π +2n&nbsp;π π + nπ π - nπ π/2
10 If θ= 60° then sin&nbsp;θ = 1/2 tan&nbsp;θ = cot 30° θ = π/4 Sec&nbsp;θ =4
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