Question

7. Using identities, evaluate
97^2​

Answer 1

9409 this is the right answer

Answer 2

Answer:

$\huge\mathfrak\red{9409}$

Step-by-step explanation:

${97}^{2}$

$= (100 - 3)^{2}$

$using \: (a - b)^{2} = {a}^{2} + {b }^{2} - 2ab$

$= {100}^{2} + {3}^{2} - 2 \times 100 \times 3$

$= 10000 + 9 - 600$

$= 9409$

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