Question # 1

If the sum of the roots of (a + 1)x²+ (2a + 3)x +(3a+4) = 0 is -1, then product of the roots is

1

2

-2

-1

If the diagonal of a square has coordinates (1, 2) and (5,6) the length of a side is

3

4

1

5

Nilpotent matrix

Singular matrix

Non singular matrix

Diagonal matrix

In the expansion of (a + b)ⁿin every term the sum of the exponents of a and b is

n

n + 1

2n - 1

2n + 1

Ifα andβ be irrational roots of a quadratic equation, then

Period of Sin 2x =

A vector of magnitude zero is called

Position vector

Null vector

Free vector

None of these

Mathematics General Science Test Hard Mode MCQs With Answers