MHR • Advanced Functions 12 Solutions 660
MHR • Advanced Functions 12 Solutions 660
MHR • Advanced Functions 12 Solutions 660
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Chapter 7 Section 1 Question 10 Page 368<br />
!<br />
a) 2 3<br />
"<br />
#<br />
( ) 1 2<br />
$<br />
%<br />
&<br />
x<br />
= 2 x'2<br />
3<br />
2<br />
2 x = 2 x'2<br />
3<br />
2 x = x ' 2<br />
3<br />
2 x ' x = '2<br />
Check:<br />
1<br />
2 x = '2<br />
x = '4<br />
b) 3 2<br />
"<br />
( ) k !1 = ( 3 3<br />
) 1 $ 2<br />
$<br />
#<br />
3 2k !2 = 3 3k<br />
2k ! 2 = 3k<br />
3k ! 2k = !2<br />
k = !2<br />
Check:<br />
%<br />
'<br />
&<br />
2k<br />
<strong>MHR</strong> <strong>•</strong> <strong>Advanced</strong> <strong>Functions</strong> <strong>12</strong> <strong>Solutions</strong> 670