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Using (x + a) (x + b) = x^2 + (a+b) x +...

Using `(x + a) (x + b) = x^2 + (a+b) x + ab`, find (i) `103 xx 104` (ii) `51 xx 52` (iii) `103 xx 98` (iv) `97 xx 98`

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To solve the problems using the identity \((x + a)(x + b) = x^2 + (a + b)x + ab\), we will follow these steps for each part of the question. ### (i) Finding \(103 \times 104\) 1. **Identify \(x\), \(a\), and \(b\)**: - Rewrite \(103\) and \(104\) as: \[ 103 = 100 + 3 \quad \text{and} \quad 104 = 100 + 4 ...
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