It is given that 2 ln(4x 5) + ln(x + 1) = 3ln3. i. Show that
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It is given that 2 ln(4x − 5) + ln(x + 1) = 3ln3.
i. Show that 16x3 − 24x^{2} − 15x − 2 = 0.
ii. By first using the factor theorem, factorise 16x^{3 }− 24x^{2} − 15x − 2 completely.
iii. Hence solve the equation 2 ln(4x − 5) + In(x + 1) = 3In3.
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i To begin we can simplify the lefthand side of the equation using the properties of logarithms 2ln4...View the full answer
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Related Book For
Cambridge International AS & A Level Mathematics Pure Mathematics 2 & 3 Coursebook
ISBN: 9781108407199
1st Edition
Authors: Sue Pemberton, Julianne Hughes, Julian Gilbey
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