# NDA (National Defence Academy) Mathematics: Questions 282 - 288 of 384

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## Question number: 282

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Appeared in Year: 2012

MCQ▾

### Question

If one of the roots of the equation is , then what is equal to?

### Choices

Choice (4) Response

a.

b.

2

c.

d.

1

## Question number: 283

Edit
MCQ▾

### Question

Equation then find the adjoint matrix.

### Choices

Choice (4) Response

a.

b.

c.

d.

All of the above

## Question number: 284

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MCQ▾

### Question

If , then what is the value of ?

### Choices

Choice (4) Response

a.

b.

0

c.

d.

## Question number: 285

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MCQ▾

### Question

Let be in where Let be in where .

Where what is the value of

### Choices

Choice (4) Response

a.

1

b.

1.03

c.

1.049

d.

0

## Question number: 286

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Appeared in Year: 2016

MCQ▾

### Question

The sixth term of an is and it’s common difference is greater than What is the common difference of the , so that the product of the first, fourth and fifth terms is greatest?

### Choices

Choice (4) Response

a.

9/5

b.

8/5

c.

11/5

d.

2

## Question number: 287

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MCQ▾

### Question

If then what is the value of

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 288

» Algebra » Complex Numbers » Basic Properties

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Appeared in Year: 2016

MCQ▾

### Question

What is the number of distinct solution of the equation (Where is a complex number)?

### Choices

Choice (4) Response

a.

Two

b.

One

c.

Five

d.

Three