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Recent questions tagged algebraic expressions
+2
votes
1
answer
One of the factors of 9x^2 – 4z^2 – 24xy + 16y^2 + 20y – 15x + 10z is
asked
Apr 7, 2019
in
Class 11
by
kratos
algebraic expressions
factorisation
algebra
class-8
two dimensional analytical geometry
class-11
class-10
nmtc
+1
vote
1
answer
Simplify the expression and find its value when a = 5 and b = - 3 : 2 (a^2 + ab ) + 3 - ab
asked
Apr 7, 2019
by
kratos
algebraic expressions
rational expression
class-8
class-6
basics of boolean algebra
numbers
polynomials
rational expressions
+2
votes
1
answer
Find the following products: (i) 2a^3 (3a + 5b)
asked
Apr 6, 2019
by
kratos
class-8
algebraic expressions
algebraic identities
classs
+2
votes
1
answer
Evaluate using the identity (a + b)^2 = a^2 + 2ab + b^2 53^2
asked
Apr 6, 2019
by
kratos
class-8
algebraic expressions
+3
votes
1
answer
Carry out the multiplication of the expressions in each of the following pairs. (i) 4p, q + r (ii) ab, a − b (iii) a + b, 7a^2b^2
asked
Apr 5, 2019
by
kratos
class-8
algebraic expressions
factorisation
class-7
+2
votes
1
answer
Factorise : a^2 - 23a - 108
asked
Apr 4, 2019
by
kratos
class-8
factorisation
icse
algebraic expressions
+3
votes
1
answer
How much does a^2 − 3ab + 2b^2 exceed 2a^2 − 7ab + 9b^2?
asked
Apr 3, 2019
by
kratos
algebraic expressions
algebra
class-8
algebraic identities
class-7
+1
vote
1
answer
Write all the terms of each of the following algebraic expressions: (i) 3x (ii) 2x – 3
asked
Apr 1, 2019
by
kratos
class-8
algebraic expressions
class-7
+2
votes
1
answer
Solve the following Algebraic Expressions. (a) Subtract 4a − 7ab + 3b + 12 from 12a − 9ab + 5b − 3
asked
Mar 29, 2019
by
kratos
algebraic expressions
class-8
factorisation of algebraic expressions
factorization
class-7
+3
votes
1
answer
Froctorise: 3ac + 7bc – 3ad – 7bd
asked
Mar 29, 2019
by
kratos
class-8
factorisation
algebraic expressions
+3
votes
1
answer
Subtract : (i) -5y^2 from y^2 (ii) 6xy from – 12xy (iii) (a – b) from (a + b)
asked
Mar 28, 2019
by
kratos
class-8
algebraic expressions
factorisation
class-7
+2
votes
1
answer
What is the value of a so that the equations ax + 2y + 3z = 0, 2x - 3y + 4z = 0, and 5x + 7x - 8z = 0 may be simultaneously true ?
asked
Mar 28, 2019
in
Class 12
by
kratos
algebraic expressions
isc
solution of simultaneous linear equations
linear equations
class-7
icse
class-12
applications of matrices and determinants
+2
votes
1
answer
Identify the like terms in the following algebraic expressions:
asked
Mar 28, 2019
by
kratos
class-8
algebraic expressions
class-7
+3
votes
1
answer
Identify the terms, their coefficients for each of the following expressions: (i) 7x^2yz – 5xy (ii) x^2 + x + 1
asked
Mar 27, 2019
by
kratos
class-8
algebraic expressions
algebraic identities
+1
vote
1
answer
Factorise : a^3 – a^2 + a – 1
asked
Mar 26, 2019
by
kratos
class-8
algebraic expressions
factorisation
+1
vote
1
answer
Simplify each of the following: (i) 7x^3y + 9yx^3 (ii) 12a^2b + 3ba^2
asked
Mar 26, 2019
by
kratos
algebraic expressions
factorisation
class-8
algebraic identities
class-7
+3
votes
1
answer
Express the number appearing in the following statements in standard form. (a) The distance between Earth and Moon is 384,000,000 m.
asked
Mar 26, 2019
by
kratos
algebraic expressions
cbse
class-8
exponents
class-7
exponents and powers
symmetry
+1
vote
1
answer
If P = [(1, 4), (2, 3)], then P^5 – 4P^4 – 7P^3 + 11P^2 is equal to (A) P + 10I (B) P + 5I
asked
Mar 25, 2019
in
Class 12
by
kratos
algebraic expressions
factorisation
determinant
class-8
cbse
upsee
class-12
+3
votes
1
answer
Express each of the following products as a monomials and verify the result for x = 1, y = 2: (-xy^3) × (yx^3) × (xy)
asked
Mar 25, 2019
by
kratos
class-8
algebraic expressions
algebraic identities
+1
vote
1
answer
If sin x + sin^2x = 1, then find the value of cos^12x + 3 cos^10x + 3 cos^8x + cos^6x – 1
asked
Mar 24, 2019
in
JEE
by
kratos
algebraic expressions
trigonometry
jee
trigonometric identities
class-7
jee mains
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