IGCSE
EDEXCEL
Mathematics B (International)
6 Marks
QP-MathB0-201705-P2R · Question 10
Question (excerpt):
30 10 Given that 12 2 6 9 3 2 2 1 ( ) x x x x − − can be written in the form 2n (a) show that n = 3x2íx + 1 (3) (b) Hence solve the equation 12 2 6 9 3 2 2 1 ( ) x x x x − − = 32 (3) ............…
30 10 Given that 12 2 6 9 3 2 2 1 ( ) x x x x − − can be written in the form 2n (a) show that n = 3x2íx + 1 (3) (b) Hence solve the equation 12 2 6 9 3 2 2 1 ( ) x x x x − − = 32 (3) ............…
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