Question

Add the following:

1²+ m², m²+ n² , n² +l², 21m + 2mn + 2nl

Solution

        l²       + m²
                  + m²       + n²+ 1²                      + n²
^{+ 21m   + 2mn + 2nl}
^{_______________________________________}
21²+ 2m²+ 2n²+ 21m + 2mn + 2nl
= 2(l²+ m²+ n²+ lm + mn + nl)
_________________________________

Some More Questions From Algebraic Expressions and Identities Chapter

Classify the following polynomials as monomials, binomials, trinomials –z + 5, x + y + z, y + z + 100, ab – ac, 17

Construct:
(a) 3 binomials with only x as a variable;

(b) 3 binomials with x and y as variables;

(c) 3 monomials with x and y as variables;

(d) 2 polynomials with 4 or more terms.

write two terms which are like
(i) 7xy (ii) 4mn² (iii) 21.

Identify the terms, their coefficients for each of the following expressions.
1 + x + x²

3 - pq + pr - rp

03.a - 0.6ab + 0.5b

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+x^4,7 + y +5x, 2y - 3y²+4y² , 4z -15x², ab +bc + cd +da, p²q + pq², 2p + 2q.

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Algebraic Expressions And Identities

Add the following:

1²+ m², m²+ n² , n² +l², 21m + 2mn + 2nl

Some More Questions From Algebraic Expressions and Identities Chapter

Classify the following polynomials as monomials, binomials, trinomials –z + 5, x + y + z, y + z + 100, ab – ac, 17

Construct:
(a) 3 binomials with only x as a variable;

(b) 3 binomials with x and y as variables;

(c) 3 monomials with x and y as variables;

(d) 2 polynomials with 4 or more terms.

write two terms which are like
(i) 7xy (ii) 4mn² (iii) 21.

Identify the terms, their coefficients for each of the following expressions.
1 + x + x²

3 - pq + pr - rp

03.a - 0.6ab + 0.5b

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+x^4,7 + y +5x, 2y - 3y²+4y² , 4z -15x², ab +bc + cd +da, p²q + pq², 2p + 2q.

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

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For Daily Free Study Material Join wiredfaculty

Algebraic Expressions And Identities

Add the following:12 + m2 , m2 + n2 , n2 +l2, 21m + 2mn + 2nl

Some More Questions From Algebraic Expressions and Identities Chapter

Classify the following polynomials as monomials, binomials, trinomials –z + 5, x + y + z, y + z + 100, ab – ac, 17

Construct: (a) 3 binomials with only x as a variable; (b) 3 binomials with x and y as variables; (c) 3 monomials with x and y as variables; (d) 2 polynomials with 4 or more terms.

write two terms which are like (i) 7xy (ii) 4mn2 (iii) 21.

Identify the terms, their coefficients for each of the following expressions.1 + x + x2

3 - pq + pr - rp

03.a - 0.6ab + 0.5b

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+4y2 , 4z -15x2 , ab +bc + cd +da, p2q + pq2 , 2p + 2q.

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

Add the following:

1²+ m², m²+ n² , n² +l², 21m + 2mn + 2nl

Construct:
(a) 3 binomials with only x as a variable;

(b) 3 binomials with x and y as variables;

(c) 3 monomials with x and y as variables;

(d) 2 polynomials with 4 or more terms.

write two terms which are like
(i) 7xy (ii) 4mn² (iii) 21.

Identify the terms, their coefficients for each of the following expressions.
1 + x + x²

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+x^4,7 + y +5x, 2y - 3y²+4y² , 4z -15x², ab +bc + cd +da, p²q + pq², 2p + 2q.