Question

find the value of a for which (-3)^a+1 × (-3)^5= (-3)^9​

Answer 1

Answer:

(-3)^a+1×(-3)^5=(-3)^9

(-3)^a+1=(-3)^9/(-3)^5

(-3)^a+1=(-3)^9-5

=(-3)^4

a+1=4

a=4-1=3

Answer 2

Answer:

3

Step-by-step explanation:

(-3)^a+1 ×(-3)^5= (-3)^9

(-3)^a+1+5 = (-3)^9

(-3)^a+6=(-3)^9

Bases are same , so index ( powers ) should be equal .

a+6=9

a=9-6

Therefore the value of a =3