Question # 1

Write the first four terms of the sequence if a_n= (-1)ⁿn²

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-1, 4, -9, 16

1, -4, 9, 16

1, 4, 9, 16

None of these

The mid point of the line segment joining the points (4,0) and (0,4) is

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(4,4)

(2,2)

(-4,-4)

(-2,-2)

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If f(x) = x²then f(-2) is

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-2

2

4

-4

(A ∩ B)c =

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A∩ B

(A ∪ B)c

Ac∪Bc

Φ

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a²b²c²

4a²b²c²

4abc

None

Which of the following is factor of x11+a11, where n is an odd integer

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x-a

x+a

2x-a

2x+a

1+3x+6x2 +10x3 +....=

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(1+x)-3

(1-x)-2

(1-x)-3

(1+x)-2

If f (x)=a0 +a1x+a2x2+a3x3-----+0n-1xn-1+anxn then f(n) (x) is equal to

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n!

ann!

0

an

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0

-4

none of these

If the intersecting plane is parallel to a generator of the cone, but intersects its one nappe only, the curve obtained is

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an ellipse

a hyperbola

a circle

a parabola

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