12a-9ab+5b-3. 4a-7ab+3b+12 (-) (+) (-)(-) 8a-2ab+2b-15 Class 8 Maths Chapter 9 Exercise 9.1 Solution in Video for more answers vist to: https://www.tiwariacademy.com/ncert-solutions/class-8/maths/chapter-9/
(i) ab bc,bc ca,ca ab ab-bc +bc-ca -ab +c 0+0+0 Hence the sum is 0. (ii) 2p²q²-3pq+4,5+7pq-3p²q² 2p²q²-3pq+4 -3p²q²+7pq+5 -p²q² +4pq+9 Hence the sum is-p2q²+4pq+9. Class 8 Maths Chapter 9 Exercise 9.1 Solution in Video for more answers vist to: https://www.tiwariacademy.com/ncert-solutions/clasRead more
(i) ab bc,bc ca,ca ab
ab-bc
+bc-ca
-ab +c
0+0+0
Hence the sum is 0.
(ii) 2p²q²-3pq+4,5+7pq-3p²q²
2p²q²-3pq+4
-3p²q²+7pq+5
-p²q² +4pq+9
Hence the sum is-p2q²+4pq+9.
Class 8 Maths Chapter 9 Exercise 9.1 Solution in Video
(i) Since x + y contains two terms. Therefore it is binomial. (ii) Since 1000 contains one terms. Therefore it is monomial. (iii) Since X+x²+x³+x⁴ contains four terms. Therefore it is a polynomial and it does not fit in above three categories. (iv) Since 7+y+5x contains three terms. Therefore it isRead more
(i) Since x + y contains two terms. Therefore it is binomial.
(ii) Since 1000 contains one terms. Therefore it is monomial.
(iii) Since X+x²+x³+x⁴ contains four terms. Therefore it is a polynomial and
it does not fit in above three categories.
(iv) Since 7+y+5x contains three terms. Therefore it is trinomial.
(v) Since 2y-3y² contains two terms. Therefore it is binomial.
(vi) Since 2y-3y²+4y³ contains three terms. Therefore it is trinomial.
(vii) Since 5x-4y+3xy contains three terms. Therefore it is trinomial.
(viii) Since 4x-15z² contains two terms. Therefore it is binomial.
(ix) Since ab+bc+cd+da contains four terms. Therefore it is a polynomial
and it does not fit in above three categories.
Class 8 Maths Chapter 9 Exercise 9.1 Solution in Video
(i) Terms: 5xyz² and -3zy Coefficient in 5xyz² is 5 and in -3zy is -3. (ii) Terms: 1, x and x² Coefficient of x and coefficient of x² is 1. (iii) Terms: 4x²y², -4x²y²z² and z² Coefficient in 4x²y² is 4, coefficient of -4x²y²z² is-4 and coefficient of z² is 1 (iv) Terms: 3, -pq, qr and-rp CoefficientRead more
(i) Terms: 5xyz² and -3zy
Coefficient in 5xyz² is 5 and in -3zy is -3.
(ii) Terms: 1, x and x²
Coefficient of x and coefficient of x² is 1.
(iii) Terms: 4x²y², -4x²y²z² and z²
Coefficient in 4x²y² is 4, coefficient of -4x²y²z² is-4 and coefficient of z² is 1
(iv) Terms: 3, -pq, qr and-rp
Coefficient of -pq is -1, coefficient of qr is 1 and coefficient of -rp is -1.
(v) Terms: x/2, y/2 and -xy
Coefficient of x/2 is 1/2, coefficient of y/2 is 1/2 and coefficient of -xy is -1.
(vi) Terms: 0.3a,-0.6ab and 0.5b
Coefficient of 0.3a is 0.3, coefficient of -0.6ab is -0.6 and coefficient of
0.5b is 0.5.
Class 8 Maths Chapter 9 Exercise 9.1 Solution in Video
Subtract: 4a-7ab+3b+12 from 12a-9ab+5b-3.
12a-9ab+5b-3. 4a-7ab+3b+12 (-) (+) (-)(-) 8a-2ab+2b-15 Class 8 Maths Chapter 9 Exercise 9.1 Solution in Video for more answers vist to: https://www.tiwariacademy.com/ncert-solutions/class-8/maths/chapter-9/
12a-9ab+5b-3.
4a-7ab+3b+12
(-) (+) (-)(-)
8a-2ab+2b-15
Class 8 Maths Chapter 9 Exercise 9.1 Solution in Video
for more answers vist to:
See lesshttps://www.tiwariacademy.com/ncert-solutions/class-8/maths/chapter-9/
Add the following: (i) ab-bc, bc-ca, ca-ab (ii) 2p²q²-3pq+4,5+7pq-3p²q²
(i) ab bc,bc ca,ca ab ab-bc +bc-ca -ab +c 0+0+0 Hence the sum is 0. (ii) 2p²q²-3pq+4,5+7pq-3p²q² 2p²q²-3pq+4 -3p²q²+7pq+5 -p²q² +4pq+9 Hence the sum is-p2q²+4pq+9. Class 8 Maths Chapter 9 Exercise 9.1 Solution in Video for more answers vist to: https://www.tiwariacademy.com/ncert-solutions/clasRead more
(i) ab bc,bc ca,ca ab
ab-bc
+bc-ca
-ab +c
0+0+0
Hence the sum is 0.
(ii) 2p²q²-3pq+4,5+7pq-3p²q²
2p²q²-3pq+4
-3p²q²+7pq+5
-p²q² +4pq+9
Hence the sum is-p2q²+4pq+9.
Class 8 Maths Chapter 9 Exercise 9.1 Solution in Video
for more answers vist to:
See lesshttps://www.tiwariacademy.com/ncert-solutions/class-8/maths/chapter-9/
Classify the following polynomials as monomials, binomials, trinomials. Which polynomials do not fit in any of these three categories: x + y, 1000, x+x²+x³+ x⁴, 7+y+5x, 2y-3y², 2y-3y²+4y³, 5x-4y+3xy, 4z-15z², ab+bc+cd+da, pqr, p²q + pq², 2p+2q
(i) Since x + y contains two terms. Therefore it is binomial. (ii) Since 1000 contains one terms. Therefore it is monomial. (iii) Since X+x²+x³+x⁴ contains four terms. Therefore it is a polynomial and it does not fit in above three categories. (iv) Since 7+y+5x contains three terms. Therefore it isRead more
(i) Since x + y contains two terms. Therefore it is binomial.
(ii) Since 1000 contains one terms. Therefore it is monomial.
(iii) Since X+x²+x³+x⁴ contains four terms. Therefore it is a polynomial and
it does not fit in above three categories.
(iv) Since 7+y+5x contains three terms. Therefore it is trinomial.
(v) Since 2y-3y² contains two terms. Therefore it is binomial.
(vi) Since 2y-3y²+4y³ contains three terms. Therefore it is trinomial.
(vii) Since 5x-4y+3xy contains three terms. Therefore it is trinomial.
(viii) Since 4x-15z² contains two terms. Therefore it is binomial.
(ix) Since ab+bc+cd+da contains four terms. Therefore it is a polynomial
and it does not fit in above three categories.
Class 8 Maths Chapter 9 Exercise 9.1 Solution in Video
for more answers vist to:
See lesshttps://www.tiwariacademy.com/ncert-solutions/class-8/maths/chapter-9/
Identify the terms, their coefficients for each of the following expressions: (i) 5xyz²-3zy (ii) 1+x+x ² (iii) 4x²y²z²+ z² (iv) 3-pq+qr-rp (v) x/2+y/2-xy (vi) 0.3a-0.6ab+0.5b
(i) Terms: 5xyz² and -3zy Coefficient in 5xyz² is 5 and in -3zy is -3. (ii) Terms: 1, x and x² Coefficient of x and coefficient of x² is 1. (iii) Terms: 4x²y², -4x²y²z² and z² Coefficient in 4x²y² is 4, coefficient of -4x²y²z² is-4 and coefficient of z² is 1 (iv) Terms: 3, -pq, qr and-rp CoefficientRead more
(i) Terms: 5xyz² and -3zy
Coefficient in 5xyz² is 5 and in -3zy is -3.
(ii) Terms: 1, x and x²
Coefficient of x and coefficient of x² is 1.
(iii) Terms: 4x²y², -4x²y²z² and z²
Coefficient in 4x²y² is 4, coefficient of -4x²y²z² is-4 and coefficient of z² is 1
(iv) Terms: 3, -pq, qr and-rp
Coefficient of -pq is -1, coefficient of qr is 1 and coefficient of -rp is -1.
(v) Terms: x/2, y/2 and -xy
Coefficient of x/2 is 1/2, coefficient of y/2 is 1/2 and coefficient of -xy is -1.
(vi) Terms: 0.3a,-0.6ab and 0.5b
Coefficient of 0.3a is 0.3, coefficient of -0.6ab is -0.6 and coefficient of
0.5b is 0.5.
Class 8 Maths Chapter 9 Exercise 9.1 Solution in Video
for more answers vist to:
See lesshttps://www.tiwariacademy.com/ncert-solutions/class-8/maths/chapter-9/