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Recent questions tagged rationalisation
+3
votes
1
answer
Find the values of each of the following correct to three places of decimals, it being given
asked
Apr 4, 2019
in
Class 9
by
kratos
rationalisation
class-9
+1
vote
1
answer
Rationalise the denominator: 3√2/√5
asked
Mar 28, 2019
in
Class 9
by
kratos
rationalisation
class-9
+2
votes
1
answer
If x = 3 + √8, find the value of x^2 + 1/x^2
asked
Mar 22, 2019
in
Class 9
by
kratos
rationalisation
class-9
+1
vote
1
answer
Simplify: (√5 – √3)^2.
asked
Mar 21, 2019
in
Class 9
by
kratos
rationalisation
class-9
+3
votes
1
answer
Rationalise the denominator: (3√2 + 1)/(2√5 - 3)
asked
Mar 13, 2019
in
Class 9
by
kratos
rationalisation
class-9
+3
votes
1
answer
Simplify: (4 + √7) (3 + √2)
asked
Mar 4, 2019
in
Class 9
by
kratos
rationalisation
class-9
+1
vote
1
answer
Find the square root : 14 +6√5
asked
Feb 5, 2019
in
Class 10
by
kratos
number-system
algebra
class-8
number system
rationalisation
class-9
ncert
class-10
squares and square roots
+1
vote
1
answer
If x = √3 + √2/ √3- √2 and y=1 the value of x-y/x-3y is (A) 5/√5-4 (B) 5/√6+4 (C) √6-4/5 (D) √6+4/5
asked
Feb 5, 2019
in
Class 11
by
kratos
number-system
class-11
rationalisation
class-9
sine and cosine formulae
+2
votes
1
answer
Simplify: 3√(5^(1/log75) + 1/√( - log10(0.1)))
asked
Feb 2, 2019
in
JEE
by
kratos
class-8
indices and cube root
jee
exponents
rationalisation
class-9
class-10
jee mains
real numbers
+2
votes
1
answer
The rationalising factor of 7^th√x^3y^5z^2 is .......
asked
Feb 2, 2019
in
Class 9
by
kratos
number-system
number system
rationalisation
class-9
ncert
+2
votes
1
answer
Find the value of tan^-1(1/√2) - tan^-1(√(5 - 2√6)/(1 + √6))
asked
Feb 1, 2019
in
JEE
by
kratos
jee
rationalisation
class-9
jee mains
inverse trigonometric functions
+2
votes
1
answer
If x = cos^4(π/24) – sin^4(π/24) then x = ________ (a) [(√5 – 1) / (2√2)] (b) [(√5 – 1) / 4]
asked
Jan 23, 2019
in
JEE
by
kratos
algebraic expressions
trigonometry
class-8
jee
rationalisation
class-9
sruds
jee mains
real numbers
+2
votes
1
answer
Simplify: (√5 – √2) (√5 + √2)
asked
Jan 22, 2019
in
Class 9
by
kratos
rationalisation
class-9
+3
votes
1
answer
Simplify: (√5 -2)( √3 – √5)
asked
Jan 14, 2019
in
Class 9
by
kratos
rationalisation
class-9
+1
vote
1
answer
The value of determinant |(√6, 2i, 3 + √6),(√12, √3 + √8i, 3√2 + √6i), (√18, √2 + √12i, √27 + 2i)| is a
asked
Jan 7, 2019
in
Class 9
by
kratos
class-8
rationalisation
class-9
sruds
real numbers
+2
votes
1
answer
Simplify the following expressions: (3+√3) (5-√2)
asked
Jan 5, 2019
in
Class 9
by
kratos
rationalisation
class-9
+3
votes
1
answer
Simplify: (5 + √7) (5 – √7)
asked
Dec 30, 2018
in
Class 9
by
kratos
rationalisation
class-9
+3
votes
1
answer
Denominator of a rational number never equal to ....
asked
Dec 28, 2018
in
Class 9
by
kratos
linear equations in one variable
class-8
rationalisation
class-9
linear equations in two variables
+3
votes
1
answer
Find the value of a when the distance between the points (3, a) and (4, 1) is √10.
asked
Dec 26, 2018
in
Class 11
by
kratos
class-11
rationalisation
class-9
class-10
coordinate geometry
three dimensional geometry
+2
votes
1
answer
Simplify the following expressions: (√5-2) (√3-√5)
asked
Dec 20, 2018
in
Class 9
by
kratos
rationalisation
class-9
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