find the value of a for which (-3)^a+1 × (-3)^5= (-3)^9
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2
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
Answered by
1
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
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