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Find the factors of quadratic equation x2 -9x +20 = 0?

(x+4)(x+5)

(x+4)(x-5)

(x-4)(x+5)

(x-4)(x-5)

(x+2)(x+10)

Two times of a natural number is subtracted from its square and the result is 35. Find the number.

5

7

9

6

8

is equal to _____.

– 64

– 32

– 16

/

– 1

0

9

i

If then x = _____.

None of the above

If is a cube root of unity, then the value of _____.

16

32

48

-32

If is an imaginary cube root of unity, then for , the value of is _____.

-1

0

1

3

_____.

1

Assertion(Reason A: Greatest coefficient in the expansion of (1+5x)8 is 8C4 54.R: Greatest coefficient in the expansion of (1+x)2n is the middle term.

Both A and R are true and R is correct explanation of A

Both A and R are true and R is not correct explanation of A

A is true, R is false

A is false, R is true

(x+4)(x+5)

(x+4)(x-5)

(x-4)(x+5)

(x-4)(x-5)

(x+2)(x+10)

Two times of a natural number is subtracted from its square and the result is 35. Find the number.

5

7

9

6

8

is equal to _____.

– 64

– 32

– 16

/

– 1

0

9

i

If then x = _____.

None of the above

If is a cube root of unity, then the value of _____.

16

32

48

-32

If is an imaginary cube root of unity, then for , the value of is _____.

-1

0

1

3

_____.

1

Assertion(Reason A: Greatest coefficient in the expansion of (1+5x)8 is 8C4 54.R: Greatest coefficient in the expansion of (1+x)2n is the middle term.

Both A and R are true and R is correct explanation of A

Both A and R are true and R is not correct explanation of A

A is true, R is false

A is false, R is true

This test consist of 10 questions.Students should ideally take 10 minutes to complete the test. This test is useful for those students who are preparing for IIT JEE, AIEEE or any other engineering entrance test. This test cosist of questions from Algebra which, in general, is focused in AIEEE and IIT JEE. Last year 7 questions asked from this chapter in AIEEE. In Algebra, Complex Numbers and Quadratic Equations are key topics and mostly application based questions are asked.

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1856 days 17 hours 58 minutes ago

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