A) X³+⁴
B) X-¹
C) X¹²
D) X⁷

A) x-⁴
B) x⁸
C) x³
D) x⁴

A) x⁷
B) x¹²
C) x¹
D) x⁴³

A) x-¹⁵
B) x-²
C) x⁸
D) x²

A) 2¹²
B) 2³⁴
C) 2⁷
D) 2²⁴

A) 8
B) 4
C) 6
D) 16

A) x²y⁹
B) x⁴y⁶
C) x⁴y⁵
D) x⁵y⁶

A) n must be positive
B) n can be any number
C) n must be negatice
D) n must be zero

A) Log n base a =1
B) Log a base n=1
C) Log 1 base a =n
D) aⁿ=1

A) Portal numbers
B) Cardinal numbers
C) Irrational numbers
D) Rational numbers

A) 1/√n × √m
B) √m/√n
C) √m ÷ n
D) √m × √n

A) 9√2
B) 5√3
C) 3√5
D) 6√7

A) 5√4
B) 3√2
C) 5√3
D) 4√5

A) Surds that cannot be decided by each other
B) Surds that have the same number.
C) Surds that don't have square root
D) Surds that have the same roots

A) 2/√2
B) 2/√3
C) √3/√2
D) √3/2

A) a²-b
B) √a+√b
C) √b+a
D) a-√b

A) One element
B) No element
C) Two elements
D) Not specified

A) a*b=b*a
B) a×b=a×b
C) Null
D) a+b=a-b

A) a*b=a*(b*c)
B) (a*b)*c=a*(b*c)
C) a*b*c=a*c
D) c*a=a*b

A) Closure element
B) Inverse
C) Zero element
D) Identity element