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secondary 4 | E Maths
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kim Yeon Jae
Kim Yeon Jae

secondary 4 chevron_right E Maths chevron_right Singapore

Please help :)

Date Posted: 4 years ago
Views: 275
J
J
4 years ago
4e^(1 + 3x) = 9e^(5 - 2x)

4/9 = e^(5 - 2x)/e^(1 + 3x)

4/9 = e^(5 - 2x - (1 + 3x))

4/9 = e^(4 - 5x)

4 - 5x = ln(4/9)

5x = 4 - ln(4/9)

x = (4 - ln(4/9))/5

x = (4 - (ln4 - ln9))/5

x = (4 - ln4 + ln9)/5

x ≈ 0.962186044

= 0.962 (3 s.f)
kim Yeon Jae
Kim Yeon Jae
4 years ago
Thanku! :)
J
J
4 years ago
Welcome

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LEE MIN CHONG JACK
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kim Yeon Jae
Kim Yeon Jae
4 years ago
Thanku!!