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Recent questions tagged algebraic identities
+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
+3
votes
1
answer
If 3x – 4y = 5 and xy = 3, find : 27x^3 – 64y^3.
asked
Apr 5, 2019
in
Class 9
by
kratos
class-8
class-9
algebraic identities
icse
+3
votes
1
answer
The difference between two numbers is 5 and their products is 14. Find the difference between their cubes.
asked
Apr 4, 2019
in
Class 9
by
kratos
class-8
class-9
algebraic identities
+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
If x^16y^9=(x^2+y)^17, prove that dy/dx=2y/x.
asked
Apr 1, 2019
in
JEE
by
kratos
algebra
jee
differential equations
class-9
algebraic identities
jee mains
class-12
+1
vote
1
answer
Find each of the following products: (i) (-7/5xy^2z) × (13/3x^2yz^2)
asked
Mar 29, 2019
in
Class 9
by
kratos
class-8
class-9
algebraic identities
+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
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 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
Find the following products: (i) -8/27xyz (3/2xyz^2 – 9/4xy^2z^3)
asked
Mar 21, 2019
in
Class 9
by
kratos
class-8
algebraic expressions
class-9
algebraic identities
+2
votes
1
answer
Find the product 24x^2 (1-2x) and evaluate its value for x = 3
asked
Mar 21, 2019
by
kratos
class-8
algebraic expressions
algebraic identities
+3
votes
1
answer
Evaluate the following: (i) 35 × 37 (ii) 53 × 55
asked
Mar 19, 2019
by
kratos
algebraic expressions
class-8
number system
algebraic identities
class-7
+2
votes
1
answer
If a, b and c are real such that a^2 + 9b^2 - 4c^2 - 6ab = 0, then the line ax + by + c = 0 always passes through the point with negative ordinate
asked
Mar 17, 2019
in
Class 10
by
kratos
algebraic expressions
ratio and proportion
algebra
class-8
class-9
algebraic identities
icse
class-10
coordinate geometry
+3
votes
1
answer
If a + b + c = 9 and ab + bc + ca = 15, find: a^2 + b^2 + c^2u200bu200bu200bu200bu200bu200bu200b .
asked
Mar 15, 2019
in
Class 9
by
kratos
class-8
class-9
algebraic identities
icse
+3
votes
1
answer
If a^2 + b^2 = 41 and ab = 4, find : (i) a – b
asked
Mar 9, 2019
in
Class 9
by
kratos
class-9
algebraic identities
+1
vote
1
answer
Evaluate : 35 × 37
asked
Mar 7, 2019
in
Class 10
by
kratos
algebraic expressions
class-8
class-9
class-10
algebraic identities
polynomials
+3
votes
1
answer
Solve 64x^2 - 625 = 0
asked
Feb 28, 2019
in
JEE
by
kratos
algebraic expressions
class-8
jee main 2020
class-11
class-9
algebraic identities
functions
+3
votes
1
answer
Find the Laurent series expanded around z = 0 for f(z) = 1/z(z - 2).
asked
Feb 27, 2019
in
Mathematics
by
kratos
bernoulli
differential equations
jee
mathematical physics
thermodynamics
class-9
algebraic identities
jee mains
reversible shaft work
+1
vote
1
answer
If a + b = 8 and ab = 6, find the value of a^3 + b^3.
asked
Feb 23, 2019
in
Class 9
by
kratos
class-8
class-9
algebraic identities
+1
vote
1
answer
Find the angle between the line x+1/2=3y+5/9=3-z/-6 and the plane 10x + 2y - 11z = 3.
asked
Feb 22, 2019
in
Class 12
by
kratos
the plane
algebraic expressions
class-8
algebraic identities
class-12
applications of matrices and determinants
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