Qus : 9
5
If f(x) = ax3 + bx2 + x + 1 has a local maxima value 3 at the point of local maxima x = - 2, then f(2) is equal to :
1
19
2
20
3
24
4
25
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Qus : 10
4
If the Newton-Raphson method is applied to find a
real root of f(x) = 2x2 + x - 2 = 0 with initial approximation x0 = 1. Then the second approximation x2 is
1
56/105
2
82/105
3
84/105
4
24/105
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Solution
Qus : 11
1
The greatest value of the function y = sin x . sin2x on (-∞, +∞)
1
4/(3√3)
2
3/(3√3)
3
2/(3√3)
4
1
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Solution
Qus : 15
1
The area of the plane region by the curves x + 2y2 = 0 and x + 3y2 = 1 above x axis is equal to
1
5/3
2
1/3
3
2/3
4
4/3
Go to Discussion
Qus : 17
2
The perimeter of the loop of the curve 9y2 = (x-y)(x-5)2
1
4√3
2
2√3
3
4
4
3√3
Go to Discussion
Solution
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