Math, asked by mehlumboriyawala, 10 months ago

Find x : log 4(2x+3)=3/2​

Answers

Answered by allysia
15

 log \: 4(2x + 3)  =  \frac{3}{2}  \\  \\  2 \: log (8x + 12)  =  3 \\  \\  log {(8x + 12)}^{2}  =  log(1000)  \\  \\ {(8x + 12) }^{2}  = 1000 \\  \\ 8x + 12 = 10 \sqrt{10}  \\  \\ 8x = 10 \sqrt{10 }  + 12 \\  \\ x =  \frac{10 \sqrt{10}  + 12}{8}  =  \frac{5 \sqrt{10} + 6 }{4}

Hence your answer.
Answered by jeyasurya2409
23

answer:

log4(2x+4)=3/2

4^3/2=2x+3

2^2×3/2=2x+3

2^3=2x+3

8=2x+3

2x=3+8

2x=5

x=5/2

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