x2 a b x ab | Examsbook

453

Q:
What is the product of (x + a) and (x + b)?

1
x²+(a-b)x+ab
2
x²+(a-b)x-ab
3
x²+(a+b)x+ab
4
x²+(a+b)x-ab

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Answer : 3. "
x²+(a+b)x+ab
"

Maths Algebra Question with answer

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