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secondary 3 | A Maths
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Crazy_feed
Crazy_feed

secondary 3 chevron_right A Maths

Pls help i cant solve part (ii)

Date Posted: 7 years ago
Views: 433

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Christmas MT
Christmas Mt's answer
2904 answers (A Helpful Person)
1st
plot the 2 graphs on each side of the equation. Since they only intersect at 1 point, the equation only has 1 real root.
Crazy_feed
Crazy_feed
7 years ago
I didnt ask for graph i asked to solve the equation!
Christmas MT
Christmas MT
7 years ago
the question asked to show that there is only 1 real root. And if you can use a GC, you can show it this way. Otherwise an alternative answer is posted below
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Christmas MT
Christmas Mt's answer
2904 answers (A Helpful Person)
if you can't use GC to solve with graph here is an alternative method