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secondary 4 | E Maths
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Amanda
Amanda

secondary 4 chevron_right E Maths chevron_right Singapore

help

Date Posted: 1 year ago
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Erfana Beevee Binte Hassan Shariff
Erfana Beevee Binte Hassan Shariff's answer
275 answers (Tutor Details)
Since the given equations are a^2 + b^2 and a + b and you are required to find ab, use the rule (a + b)^2.
(a + b)(a-b) = a^2 - b^2. This rule cannot be used as there is no ab in that rule.
Hope this helps :)
Amanda
Amanda
11 months ago
thank u so much