( 97 )^2 evaluate of the following by using identities
2 answers:
Answer:
9409
Step-by-step explanation:
Let's rewrite 97 as 100 - 3.
Identity used :
<u><em>(a - b)² = a² - 2ab + b²</em></u>
Now, evaluating the expression :
⇒ (100 - 3)²
⇒ (100)² - 2(100)(3) + (3)²
⇒ 10000 - 600 + 9
⇒ 9400 + 9
⇒ 9409
<h2>Evaluate</h2>
( 97 )^2 evaluate of the following by using identities.
Evaluate Solution:
- = 100 - 3² close parenthises.
- = (100)² - 2 (100)(3) + (3)²
- = 10,000 - 600 + 9
- = 10,000 - 600
- = 9400
- = 9400 + 9
- = 9409
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