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Q : 4             (c) Subtract  4p^2q - 3pq + 5pq^2 - 8p + 7q - 10     from                                                      18 - 3p - 11q + 5pq - 2pq^2 + 5p^2q  

Q : 4            (b) Subtract   3xy+5yz-7zx   from   5xy-2yz-2zx+10xyz

Q : 4          (a)   Subtract  4a-7ab+3b+12​   from   12a-9ab+5b-3

12a-9ab+5b-3-(4a-7ab+3b+12)  =(12-4)a +(-9+7)ab+(5-3)b +(-3-12)  =8a-2ab+2b-15

Q : 3           Add the following.

                  (iv) l^2+m^2+n^2 , n^2+l^2, 2lm+2mn+2nl

Q : 2             Add the following.

                    (iii) 2p^2q^2-3pq+4, 5+7pq-3p^2q^2

Q : 2              Add the following.

                     (ii) a-b+ab, b-c+bc, c-a+ac

Q : 3            Add the following.

                   (i) ab-bc , bc -ca, ca-ab

ab-bc+bc-ca+ca-ab=0.

Q : 2            Classify the following polynomials as monomials, binomials, trinomials. Which
                    polynomials do not fit in any of these three categories?

                    (l) 2p+2q

Binomial.

Q : 2           Classify the following polynomials as monomials, binomials, trinomials. Which
                   polynomials do not fit in any of these three categories?

                   (k) p^2q+pq^2

Binomial.

Q : 2          Classify the following polynomials as monomials, binomials, trinomials. Which
                   polynomials do not fit in any of these three categories?

                  (j) pqr

Monomial.

Q : 2           Classify the following polynomials as monomials, binomials, trinomials. Which
                   polynomials do not fit in any of these three categories?

                  (i) ab+bc+cd+da

This polynomial does not fit in any of these three categories.

Q : 2             Classify the following polynomials as monomials, binomials, trinomials. Which
                     polynomials do not fit in any of these three categories?

                     (h) 4z-15z^2

Binomial.

Q : 2          Classify the following polynomials as monomials, binomials, trinomials. Which
                  polynomials do not fit in any of these three categories?

                  (g) 5x-4y+3xy

Trinomial.

Q : 2          Classify the following polynomials as monomials, binomials, trinomials. Which
                   polynomials do not fit in any of these three categories?

                   (f) 2y-3y^2+4y^3

Trinomial.

Q : 2          Classify the following polynomials as monomials, binomials, trinomials. Which
                  polynomials do not fit in any of these three categories?

                  (e)  2y-3y^2

Binomial.

Q : 2         Classify the following polynomials as monomials, binomials, trinomials. Which
                 polynomials do not fit in any of these three categories?

                (d) 7+y-5x

Trinomial.

Q : 2          Classify the following polynomials as monomials, binomials, trinomials. Which
                  polynomials do not fit in any of these three categories?

                  (c) x+x^2+x^3+x^4

This polynomial does not fit in any of these three categories.

Q : 2       Classify the following polynomials as monomials, binomials, trinomials. Which
                polynomials do not fit in any of these three categories?

               (b) 1000

Monomial.

Q : 2           Classify the following polynomials as monomials, binomials, trinomials. Which
                    polynomials do not fit in any of these three categories?

                    (a) x+y

Binomial.

Q : 1         Identify the terms, their coefficients for each of the following expressions.

 

               (vi) 0.3a-0.6ab+0.5b

The terms are 0.3a, -0.6ab and 0.5b and the coefficients are 0.3, -0.6 and 0.5.
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