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Recent questions tagged expansion formulae
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5 boys of class VI, 6 boys of class VII and 7 boys of class VIII sit in a row. The number of ways they can sit
asked
Feb 3, 2019
in
Mathematics
by
kratos
class-8
fractions
vedic mathematics
decimals
class-6
class-7
squares and square roots
expansion formulae
basic geometrical concepts and shapes
+1
vote
1
answer
Find the centroid of the triangle formed by the lines 12x^2 – 20xy + 7y^2 = 0, 2x – 3y + 4 = 0.
asked
Jan 8, 2019
in
JEE
by
kratos
algebra
class-8
jee
class-10
jee mains
lines
expansion formulae
coordinate geometry
+2
votes
1
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Prove that the vectors 5a + 6b + 7c, 7a - 8b + 9c and 3a + 20b + 5c are linearly dependent vectors a, b, c being linearly independent vectors.
asked
Jan 1, 2019
in
JEE
by
kratos
ratio and proportion
class-8
jee
vectors
class-10
determinants
icse
jee mains
expansion formulae
class-12
+3
votes
1
answer
If |(r, 2r - 1, 3r - 2), (n/2, n - 1, a), (1/2n(n - 1), (n - 1)^2, 1/2(n - 1)(3n + 4))|, then the value of
asked
Sep 4, 2018
in
JEE
by
kratos
class-8
jee
matrices
determinants
jee mains
expansion formulae
+2
votes
1
answer
For which value of p,(2, 2) is a solution of the equation 3x + 4y – 2p = 0 ?
asked
Jul 10, 2018
in
JEE
by
kratos
linear equations in one variable
cbse
pair of linear equations in two variables
class-8
jee
circles
class-10
icse
two dimensional geometry
expansion formulae
+1
vote
1
answer
Fill up the boxes and find out the number of terms in the A.P.
asked
Jun 20, 2018
in
Class 12
by
kratos
expansion formulae
bill
class-8
class-6
profit and loss
class-12
reconstitution of a partnership firm
+3
votes
1
answer
If a=25 and b=6, find (i) a+b (ii) a – b (iii) a * b (iv) a/b (v) a%b (vi) -a%b (vii) a%-b
asked
Jun 6, 2018
in
Class 12
by
kratos
algebraic expressions
c programming
class-8
class-9
set language
squares and square roots
expansion formulae
class-12
+3
votes
1
answer
Write down the electronic configuration of: (i) Cr3++ (iii) Cu+ (v) Co2+ (vii) Mn2+ (ii) Pm3+ (iv) Ce4+ (vi) Lu2+ (viii) Th4+
asked
Apr 20, 2018
in
Mathematics
by
kratos
class-8
fractions
vedic mathematics
decimals
class-6
class-7
squares and square roots
expansion formulae
basic geometrical concepts and shapes
+2
votes
1
answer
The number of solutions of the equation 1 + sin^4 x = cos^2 3x, x ∈ [-5p/2 , 5p/2] is :
asked
Jan 2, 2018
in
JEE
by
kratos
class-8
class-9
algebraic identities
jee mains 2019
expansion formulae
polynomials
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