Ng Ming Bing's answer to Kathy's Secondary 4 E Maths Singapore question.

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Ng Ming Bing
Ng Ming Bing's answer
53 answers (A Helpful Person)
1st
Algebraic identities
a^2+b^2
Ng Ming Bing
Ng Ming Bing
5 years ago
Alternatively u can use simultaneous equation to find a and b by square rooting both eqn