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Recent questions tagged indices and cube root
+1
vote
1
answer
If one real root of the quadratic equation 81x^2 + kx + 256 = 0 is cube of the other root, then a value of k is :
asked
Mar 12, 2019
in
Class 10
by
kratos
algebra
cbse
class-8
indices and cube root
quadratic equations
class-10
icse
+3
votes
1
answer
Simplify. (i) ( 25 x t^-4 ) / ( 5^-3 x 10 x t^-8 ) ( t ≠ 0 ) (ii) ( 3^-5 x 10^-5 x 125 ) / ( 5^-7 x 6^-5 )
asked
Feb 20, 2019
in
Class 12
by
kratos
class-8
indices and cube root
number system
class-9
relations and functions
class-10
inverse trigonometric functions
exponents of power
class-12
+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
Divide: (i) 102 by 17 (ii) -85 by 5 (iii) -161 by -23 (iv) 76 by -19 (v) 17654 by -17654 (vi) (-729) by (-27)
asked
Jan 17, 2019
in
Mathematics
by
kratos
integers
indices and cube root
vedic mathematics
class-8
squares and square roots
class-6
class-7
hcf and lcm
+2
votes
1
answer
By neglecting x^4 and higher powers of x, find an approximate value of 3√(x^2 + 64) – 3√(x^2 + 27).
asked
Dec 7, 2018
in
Physics
by
kratos
atomic and nuclear physics
class-8
indices and cube root
cubes and cube roots
application of derivatives
powers and exponents
squares and square roots
class-12
+3
votes
1
answer
Simplify 5 3√ 250 + 7 3√ 16 - 3√ 54
asked
May 6, 2018
in
Class 9
by
kratos
class-8
indices and cube root
class-9
number-system
+2
votes
1
answer
Find the cube-roots of : -5832
asked
Jan 20, 2018
by
kratos
cubes and cube roots
indices and cube root
class-8
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