Question # 1

The matrix A = [aij]mxn with m≠n is

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Rectangular

Symmetric

Square

None

tan 294° =______;

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tan 24°

-tan 24°

cot 24°

-cot 24°

The period of the function f(x) = sin⁴x + cos⁴x is

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π

π/2

2π

None of these

The exact degree value of the function sin-1( -√3/2) is

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70^ο

50^ο

90^ο

60^ο

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0

1

Each complex cube root of unity is square of

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itself

1

-1

the other

The graph of y> 0 is the upper - half of:

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y-axis

x-axis

1st and 4th quandrant

2nd and 3rd quadrant

If a set S contains n elements then P (S) has ........ number of elements

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2ⁿ

2ⁿ²

2.n

n²

For n€ N,2^n>2 > n is to only when

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n<2

n≤ 4

n≥ 4

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¹⁰C₆

¹⁰C₅

¹⁰C₄

None

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6, -12, -18

-6, 4, 9

-6, -4, -9

-6, 12, 18

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