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Recent questions tagged exponents of real numbers
+3
votes
1
answer
Simplify: (2x^-2 y^3)^3
asked
Mar 29, 2019
in
Class 9
by
kratos
class-9
exponents of real numbers
+2
votes
1
answer
Prove that: √1/4 + (0.01)^-1/2 - (27)^2/3 = 3/2
asked
Mar 26, 2019
in
Class 9
by
kratos
class-9
exponents of real numbers
+2
votes
1
answer
Assuming that x, y, z are positive real numbers, simplify the (x^-2/3 y^-1/3)2.
asked
Mar 9, 2019
in
Class 9
by
kratos
class-9
exponents of real numbers
+1
vote
1
answer
Prove that: (2^n + 2^n-1)/ (2^n+1 - 2^n) = 3/2
asked
Mar 5, 2019
in
Class 9
by
kratos
class-9
exponents of real numbers
+2
votes
1
answer
The value of 5√(32)^-3 is: (A) 1/8 (B) 1/16 (C) 1/32 (D) None
asked
Feb 27, 2019
in
Class 11
by
kratos
number-system
class-11
class-6
class-9
exponents of real numbers
+1
vote
1
answer
If tan^-1 a + tan^-1b + tan^-1c = π, then prove that a + b + c = abc.
asked
Feb 25, 2019
in
JEE
by
kratos
inverse trigonometric functions
differential calculus
jee main 2021
jee
matrices
class-9
determinants
exponents of real numbers
jee mains
jee main
+3
votes
1
answer
Simplify: (5^-1 x 7^2/ 5^2 x 7^-4)^7/2 x (5^-2 x 7^3/ 5^3 x 7^-5)^-5/2.
asked
Feb 24, 2019
in
Class 9
by
kratos
class-9
exponents of real numbers
+1
vote
1
answer
If A = [(p, 2) ,(2, p)] and |A^3| = 125, then find the values of p.
asked
Feb 23, 2019
in
JEE
by
kratos
circle
class-8
jee
quadratic equations
class-9
jee mains
exponents of real numbers
+1
vote
1
answer
Show that: (x^1/a-b)^1/a-c (x^1/b-c)^1/b-c (x^1/c-a)^1/c-b = 1
asked
Feb 19, 2019
in
Class 9
by
kratos
class-9
exponents of real numbers
+3
votes
1
answer
Assuming that x, y, z are positive real numbers, simplify the (√2/√3)^5 (6/7)^2.
asked
Feb 13, 2019
in
Class 9
by
kratos
class-9
exponents of real numbers
+3
votes
1
answer
Show that: [(x^a(a-b)/x^a(a+b)) ÷ (x^b(b-a)/x^b(b+a))]^a+b = 1
asked
Feb 12, 2019
in
Class 9
by
kratos
class-9
exponents of real numbers
+3
votes
1
answer
Prove that (a^-1 + b^-1)^-1 = ab/a+b
asked
Feb 7, 2019
in
Class 9
by
kratos
class-9
exponents of real numbers
+1
vote
1
answer
Find the values of x in the following: 2^x-7 x 5^x-4 = 1250
asked
Jan 31, 2019
in
Class 9
by
kratos
class-9
exponents of real numbers
+2
votes
1
answer
Find an approximate value of the following corrected to 4 decimal places. 5√(32.16)
asked
Jan 26, 2019
in
Class 12
by
kratos
applications of derivatives
number-system
partial derivatives
class-9
application of derivative
exponents of real numbers
class-12
differentials
+3
votes
1
answer
Simplify: 3(a^4 b^3)^10 x 5 (a^2 b^2)^3
asked
Jan 20, 2019
in
Class 9
by
kratos
class-9
exponents of real numbers
+2
votes
1
answer
Simplify: 3√(343)^-2
asked
Jan 10, 2019
in
Class 9
by
kratos
class-9
exponents of real numbers
+2
votes
1
answer
Prove that: 9^3/2 - 3 x 5^0 - (1/81)^-1/2 = 15
asked
Jan 6, 2019
in
Class 9
by
kratos
class-9
exponents of real numbers
+3
votes
1
answer
Simplify: 4ab^2 (-5ab^3)/10a^2b^2
asked
Dec 5, 2018
in
Class 9
by
kratos
class-9
exponents of real numbers
+2
votes
1
answer
Prove that: (i) 93/2 -3 x 50 - (1/81)-1/2 =15
asked
Nov 29, 2018
in
Class 9
by
kratos
class-9
exponents of real numbers
+2
votes
1
answer
Show that: (3^a/3^b)^a+b (3^b/3^c)^b+c (3^c/3^a)^c+a
asked
Nov 21, 2018
in
Class 9
by
kratos
class-9
exponents of real numbers
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