Question

Pls someone help me in this Q..pls​

Answer 1

Answer:

1/(2a)³

Step-by-step explanation:

=7a¹²/56a^15

=1/8a³

=1/(2a)³

or we can say (2a)-³

Hope this will help u.

Answer 2

Answer:

ans is 49^-³

Step-by-step explanation:

first take the numerals which is 7a and 56a and then divide ans is 8 and then by identity a^m-a^n =a^m-n subtract 12 and 15 which is -3