Question # 1

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4

16

8

64

Complex roots of real quadratic equation always occur in:

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conjugate pair

ordered pair

reciprocal pair

none of these

No. of ways of solving a quadratic equation:

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1

3

2

4

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quadratic equation

reciprocal equation

exponential equation

none of these

3^2x - 3^x - 6 = 0 is:

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reciprocal equation

exponentialequation

radicalequation

none of these

Solution set of the simultaneous equations : x + y = 1, x - y = 1 is:

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{(0,0)}

{(1,0)}

{(0,1)}

{(1,1)}

If the sum of the roots of ax² - (a + 1) x + (2a + 1) = 0 is 2, then the product of the roots is:

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1

2

3

4

If 4^x = 2, then x equals:

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2

1

How many complex cube roots of unity are there:

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2

0

1

3

Four fourth roots of 625 are:

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±5,±5i

±5,±25i

±25,±25i

none of these

Equations having a common solution are called:

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linear

quadratic

homogeneous

simultenaeous

If one root of 2x² + ax + 6 = 0 is 2 then the value of a is:

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7

-7

For what value of k, the roots of the equation x² + √k x + 2 = 0 are equal:

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1

8

2

4

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i

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c = 0

b = 0, c = 0

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1

0

2

3

If P(x) is a polynomial of degree m and Q(x) is a polynomial of degree n, the quotient P(x) + Q(x) will produce a polynomial of degree:

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m . n, plus a quotient

m - n, plus a remainder

m ÷ n, plus a factor

m + n, plus a remainder

One of the roots of the equation 3x2 + 2x + k = 0 is the reciprocal of the other, then k = ...............:

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3

2

1

4

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none of these

Sum of all three cube roots of unity is:

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1

-1

0

3

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11th Class Part 1 Mathematics Chapter 4 Test Online MCQs With Answers

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