Question

The total area of the above three figures is
(i) 4x2 + 2xy + y2

(ii) 2x2 + 4xy + y2
(iii) 4x2

- 2xy + y2 (iv) x2 + 2xy + y2

b) Coefficient of y in the expression (y + 3)2
is
(i) 3 (ii) 2 (iii) 6 (iv) 1
2x
2x

2x
y y
y

c) The factorization of 4x2 + 4xy + y2
is
(i) (2x+y)(2x+y) (ii) (2x-y)2

(iii) (2x+y)(2x-y) (iv) None of these

d) The value p(x) = 3x3 – 2x

2 + 4x + 3 at x = -1
(i) 0 (ii) 10 (iii) -10 (iv) -6
e) Which of the following is a polynomial?
(i) x
2
2
-
2
x
2
(ii) √2x – 1 (iii) x2 +
3x
3
2
√x
(iv) x−1

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

The total area of the above three figures is

(i) 4x2 + 2xy + y2

(ii) 2x2 + 4xy + y2

(iii) 4x2

- 2xy + y2 (iv) x2 + 2xy + y2

b) Coefficient of y in the expression (y + 3)2

is

(i) 3 (ii) 2 (iii) 6 (iv) 1

2x

2x

2x

y y

y

c) The factorization of 4x2 + 4xy + y2

is

(i) (2x+y)(2x+y) (ii) (2x-y)2

(iii) (2x+y)(2x-y) (iv) None of these

d) The value p(x) = 3x3 – 2x

2 + 4x + 3 at x = -1

(i) 0 (ii) 10 (iii) -10 (iv) -6

e) Which of the following is a polynomial?

(i) x

2

2

-

2

x

2

(ii) √2x – 1 (iii) x2 +

3x

3

2

√x

(iv) x−1

Step-by-step explanation: