( a^m )ⁿ = a^m+n

( a^m )ⁿ = a^m-n

( a^m )ⁿ = a^mn

$$a^{m^n}$$

(ab)ⁿ = abⁿ

(ab)ⁿ = aⁿbⁿ

(ab)ⁿ = aⁿb

(ab)ⁿ = abn

2³ = 2 x 3

2³ = 6

3² = 2 x 2 x 2

2³ = 2 x 2 x 2

$$\left(\frac{y^6x^4}{z^4}\right)$$

$$\left(\frac{y^8x^4}{z^4}\right)$$

$$\left(\frac{y^6x^4}{z^{ }}\right)$$

$$\left(\frac{y^8x^4}{z^{ }}\right)$$

4

-4

12

-12

x^-6 y⁴

x^-3 y^-4 z⁰

x⁶ y^-4

$$\frac{x^6}{y^4}$$

-40

40

10

-10

-6

6

-30

30

13

13 และ -13

14

14 และ -14

x² + 25x

x² + 25

x² +10+25x

x² +10x+25

(x-9)(x-9)

(x-3)(x+3)

(x-9)(x+9)

(x-3)(x-3)

( 9x - 1 )( 9x + 1 )

( 9x - 1 )( 9x - 1 )

( 3x - 1 )( 3x - 1 )

( 3x + 1 )( 3x - 1 )

x² + 18x + 81

x² + 18 + 81

x² + 81

x² + 18 + 81x

$$\frac{1}{15}$$

$$\frac{3}{15}$$

$$\frac{1}{75}$$

15

(a-2b)(a+2b)

(a-4b)(a-4b)

(a-2b)(a-2b)

(a-4b)(a+4b)

( x - 8 )( x + 4 )

( x - 8 )( x - 4 )

( x + 8 )( x - 4 )

ไม่มีข้อใดถูกต้อง

(x+4)(x+2)

(x-4)(x-2)

(x+6)(x+8)

(x+3)(x+2)

81

• 9

• -9

9 และ -9

11

1.1

-11

-1.1

-15

15

15 และ -15

ไม่มีจำนวนจริงใดเป็นคำตอบ

$$\sqrt[]{-25}=-5$$

$$-\sqrt[]{25}=-5$$

$$\sqrt[]{5}=\ 5$$

$$\sqrt[]{5}=25$$

$$8\sqrt[]{2}-3\sqrt[]{3}$$

$$5\sqrt[]{6}$$

$$5\sqrt[]{2}$$

$$5\sqrt[]{12}$$

$$\sqrt[]{40}$$

$$\sqrt[]{256}$$

$$20\sqrt[]{2}$$

$$6\sqrt[]{2}$$

$$9\sqrt[]{5}$$

$$20\sqrt[]{6}$$

$$20\sqrt[]{5}$$

$$9\sqrt[]{6}$$