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secondary 3 | A Maths
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Date Posted: 2 years ago
Views: 214
k=1
because it is in (a+b)^2=a^2+2ab+b2
because it is in (a+b)^2=a^2+2ab+b2
See 1 Answer
x^2+2x+k
When k=1,
x^2+2x+1=(x+1)^2
as a^2+2ab+b^2=(a+b)^2
When k=1,
x^2+2x+1=(x+1)^2
as a^2+2ab+b^2=(a+b)^2
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