(3/5)^2*(5/3)^-11= (3/5)^ 2n+5
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2
Answer:
(1)
5
2n
×
5 3
5 9
Apply law of exponents
x a
x b
x
a+b
5
2n+3
=
5 9
⇒ 2n+ 3= 9
2n= 9− 3
2n= 6
n= 3
(2)
8× 2
n+2
= 32
2 3
2
n+2
=
2 5
Apply law of exponents
x a
x b
x
a+b
2
3+n+2
=
2 5
2
n+5
=
2 5
⇒ n+ 5= 5
n= 5− 5
n= 0
Step-by-step explanation:
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Answered by
0
Answer:
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