(a/b ) x-1 =( b/a) x-3, then equal to
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Step-by-step explanation:
We have, (
b
a
)
x−1
=(
a
b
)
x−3
⇒(
b
a
)
x−1
=(
b
a
)
−(x−3)
When bases are equal, exponents are equal.
∴x−1=−(x−3)
⇒x−1=−x+3
⇒2x=4
⇒x=2
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