Question

Figures to the right of questions indicate full marks.
(B) x -x-2-1
(D) x2 - 2x + 2-0
Q.1. (A) Choose the correct alternative. .
i. Which of the following quadratic equations has roots 2,-1?
(A) x2+x+2=0
(C) x2 + 2x - 2 = 0
ii.
In an A.P., the first term is -5 and last term is 45. If the sum of all the terms is 120, then nis
equal to
(A) 4
(C) 6
(B) 5
(D) 7
iii.
(B) 1
To solve x + y = 3, 3x - 2y -4 = 0 by determinant method find D.
(A) 5
(C) -5
(D) -1
iv.
If n(A) = 2, P(A)=
then n(S) = ?
2
$
(D)
(C)
(B)
(A) 10
3
5
2.
1. (B) Solve the following questions.
1. Write any two quadratic equations.​

Answer 1

Step-by-step explanation:

Figures to the right of questions indicate full marks.

(B) x -x-2-1

(D) x2 - 2x + 2-0

Q.1. (A) Choose the correct alternative. .

i. Which of the following quadratic equations has roots 2,-1?

(A) x2+x+2=0

(C) x2 + 2x - 2 = 0

ii.

In an A.P., the first term is -5 and last term is 45. If the sum of all the terms is 120, then nis

equal to

(A) 4

(C) 6

(B) 5

(D) 7

iii.

(B) 1

To solve x + y = 3, 3x - 2y -4 = 0 by determinant method find D.

(A) 5

(C) -5

(D) -1

iv.

If n(A) = 2, P(A)=

then n(S) = ?

2

$

(D)

(C)

(B)

(A) 10

3

5

2.

1. (B) Solve the following questions.

1. Write any two quadratic equations.