Question

here in the very last statement of the ans y it is 4 as the power
as 4 plus 8 is 12 not 4
so y 4 is written as a power?​

Answer 1

Step-by-step explanation:

In second step

${t}^{ - 4 + 8} = {t}^{4}$

u have done a little bit mistake in 2nd step !!!!

hope this will help uuh !!!!!!!

Answer 2

Answer:

Hello Ekta

are you there??

yaar mujhe aap kya bol rahi ho kuchh smj nahi raha hai

please clearly bta do