Pls , pls solve Q 2 (both parts)
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Answered by
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3^(2x+1)/9=27
=>3^(2x+1)=27(9)
=>3^(2x+1)=3^5
=>2x+1=5....(equating powers)
=>2x=4
=>x=2
.
2)7^(5x)/7^(7x)=1/2401
=>7^(5x)=7^(7x)/7^4
=>7^(5x)=7^(7x-4)
=>5x=7x-4....(equating powers)
=>2x=4
=>x=2
.
hope this helps you
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=>3^(2x+1)=27(9)
=>3^(2x+1)=3^5
=>2x+1=5....(equating powers)
=>2x=4
=>x=2
.
2)7^(5x)/7^(7x)=1/2401
=>7^(5x)=7^(7x)/7^4
=>7^(5x)=7^(7x-4)
=>5x=7x-4....(equating powers)
=>2x=4
=>x=2
.
hope this helps you
.
keep smiling
.
mark this as brainliest answer
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