Question

Please answer it correctly ❣️ and by full process

pls give answer of 19 and 21 number​

Answer 1

$\huge\boxed{Answer}$

Q.(19)

Ans:- x = (3/4)^-4 ÷ (1/3)⁴

x = (4/3)⁴ ÷ (1/3)⁴

x = (4/3)⁴ × 3⁴

x = 4⁴/3⁴ × 3⁴

x = 4⁴

Now ,

x^-3 = (4⁴)^-3

= 4^-12

= (2²)^-12

= 2^-24

Q.(21)

Ans:- a = (-5/9)^-5 ÷ (21/25)⁰

a = (-9/5)⁵ ÷ 1

a = (-9/5)⁵ × 1

a = (-9/5)⁵

Now ,

a^-2 = { (-9/5)⁵ }^-2

= (-9/5)^-10

= (-5/9)^10

= (5/9)^10

Answer 2

Answer:

19. x-3=19

HOPE IT WILL HELP YOU sangeeta ♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️