(i) If a 2 - b 2 = 16 and a - b = 2 , then a + b (a) 3 x 2 - x + 11 (ii) The degree of x - a x - b x - c x - d (b) 3 x 2 - x + 5 (iii) 4 x 2 + 20 xy + 25 y 2 (c) 8 (iv) 5 x 2 + 7 x - 3 - 2 x 2 + 8 x - 8 (d) 4 (e) 4 x + 5 y x + 5 y (f) 2 x + 5 y 2

i → c ; ii → d ; iii → f ; vi → b

i → f ; ii → a ; iii → e ; vi → c

i → c ; ii → f ; iii → a ; vi → d

i → a ; ii → d ; iii → f ; vi → d

(i) 3 x 2 - 5 - 2 x 2 - 5 + y 2 (a) x 2 + xy + y 2 (ii) 9 x 2 - 16 y 2 (b) 2 (iii) x 3 - y 3 x - y (c) 9 x + 16 y 9 x - 16 y (iv) The degree of x + 2 x + 3 (d) x 2 - y 2 (e) 1 (f) 3 x + 4 y 3 x - 4 y

i → d ; ii → f ; iii → a ; vi → b

i → d ; ii → f ; iii → b ; vi → c

i → a ; ii → f ; iii → c ; vi → d

i → e ; ii → c ; iii → d ; vi → b

E M B I B E

Pearson IIT Foundation Mathematics>Chapter 2 - Expressions and Special Products>PRACTICE QUESTIONS (COMPETITION WING)

Subject Experts Solutions for Chapter: Expressions and Special Products, Exercise 2: PRACTICE QUESTIONS (COMPETITION WING)

Author:Subject Experts

Subject Experts Mathematics Solutions for Exercise - Subject Experts Solutions for Chapter: Expressions and Special Products, Exercise 2: PRACTICE QUESTIONS (COMPETITION WING)

Attempt the free practice questions on Chapter 2: Expressions and Special Products, Exercise 2: PRACTICE QUESTIONS (COMPETITION WING) with hints and solutions to strengthen your understanding. Pearson IIT Foundation Mathematics solutions are prepared by Experienced Embibe Experts.

Questions from Subject Experts Solutions for Chapter: Expressions and Special Products, Exercise 2: PRACTICE QUESTIONS (COMPETITION WING) with Hints & Solutions

HARD

7th CBSE

IMPORTANT

Pearson IIT Foundation Mathematics>Chapter 2 - Expressions and Special Products>PRACTICE QUESTIONS (COMPETITION WING)>Q 19

(i)	If $a^{2} - b^{2} = 16$ and $a - b = 2$ , then $a + b$	(a)	$3 x^{2} - x + 11$
(ii)	The degree of $(x - a) (x - b) (x - c) (x - d)$	(b)	$3 x^{2} - x + 5$
(iii)	$4 x^{2} + 20 xy + 25 y^{2}$	(c)	$8$
(iv)	$(5 x^{2} + 7 x - 3) - (2 x^{2} + 8 x - 8)$	(d)	$4$
		(e)	$(4 x + 5 y) (x + 5 y)$
		(f)	${(2 x + 5 y)}^{2}$

HARD

7th CBSE

IMPORTANT

Pearson IIT Foundation Mathematics>Chapter 2 - Expressions and Special Products>PRACTICE QUESTIONS (COMPETITION WING)>Q 20

(i)	$(3 x^{2} - 5) - (2 x^{2} - 5 + y^{2})$	(a)	$x^{2} + xy + y^{2}$
(ii)	$9 x^{2} - 16 y^{2}$	(b)	$2$
(iii)	$\frac{x^{3} - y^{3}}{x - y}$	(c)	$(9 x + 16 y) (9 x - 16 y)$
(iv)	The degree of $(x + 2) (x + 3)$	(d)	$x^{2} - y^{2}$
		(e)	$1$
		(f)	$(3 x + 4 y) (3 x - 4 y)$

MEDIUM

7th CBSE

IMPORTANT

Pearson IIT Foundation Mathematics>Chapter 2 - Expressions and Special Products>PRACTICE QUESTIONS (COMPETITION WING)>Q 48

Factorize $x^{2} + a^{2} + 2 a + 2 x + 2 ax$ .

MEDIUM

7th CBSE

IMPORTANT

Pearson IIT Foundation Mathematics>Chapter 2 - Expressions and Special Products>PRACTICE QUESTIONS (COMPETITION WING)>Q 62

Divide $x^{2} + 7 x + 12$ by $x + 3$ and find the quotient.

HARD

7th CBSE

IMPORTANT

Pearson IIT Foundation Mathematics>Chapter 2 - Expressions and Special Products>PRACTICE QUESTIONS (COMPETITION WING)>Q 63

What should be subtracted from $x^{3} + 2 x^{2} - 3 x + 10$ , so that the difference is a multiple of $x - 2$ ?

MEDIUM

7th CBSE

IMPORTANT

Pearson IIT Foundation Mathematics>Chapter 2 - Expressions and Special Products>PRACTICE QUESTIONS (COMPETITION WING)>Q 64

If $C = (7 x + 9)$ and $D = (4 x^{2} + 8 x + 5)$ , then the degree of the product $CD$ is _____.

MEDIUM

7th CBSE

IMPORTANT

Pearson IIT Foundation Mathematics>Chapter 2 - Expressions and Special Products>PRACTICE QUESTIONS (COMPETITION WING)>Q 65

If the amounts with Anvesh and Avinash are $₹ (\frac{5}{2} x^{2} - \frac{7}{4} x + 6)$ and $₹ (\frac{7}{4} x^{2} - \frac{5}{2} x - 15)$ respectively, find the total amount with them in terms of x and find its value, when $x = 20$ .

MEDIUM

7th CBSE

IMPORTANT

Pearson IIT Foundation Mathematics>Chapter 2 - Expressions and Special Products>PRACTICE QUESTIONS (COMPETITION WING)>Q 66

If the perimeter of a rectangle is $8 x^{2} y - 7 x + 4 {xy}^{2} - 15 xy + 5$ and the length of the rectangle is $3 xy - 2 x^{2} y + 5 {xy}^{2} + 2$ , then finds its breadth.

Learn and Prepare for any exam you want !

|

|

|

|

|

|

|

|