Question

Using algebraic identities, evaluate the following

(i) 97 x 103

please answer fast it's urgent ​

Answer 1

Answer:

by using (x+a)(x+b)

Step-by-step explanation:

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Answer 2

Answer:

Hi ⭐♥️❣️

$97 \times 103 = (100 - 3)(100 + 3) \\ \implies \: 100 {}^{2} - 3 {}^{2} \\ = 10000 - 9 \\ = 9991$

CONCEPT USED:

$(a + b)(a - b) = a {}^{2} - b {}^{2}$

So the answer is 9991

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