Friday, June 12, 2015

[AM_20150302BTRCUK] Binomial with known Ratio of Coefficients but Unknown Power

Question

Introduction
     This Additional Mathematics question is challenging because the index  n  of the binomial power is unknown but you only know the ratio of a pair of coefficients.  Usually the  n  is given and you just plug in the formula and apply the binomial expansion formula.
Reminder

Solution
   
H05. Work backwards
H13* Use Equation / write a Mathematical Sentence


Suitable Levels
GCE ‘O’ Level Additional Mathematics
GCE ‘A’ Levels H2 Mathematics (revision)
IB Mathematics (revision)
* other syllabuses that involve Binomial Theorem for higher powers




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