Question

205² evaluate by applying identity​

Answer 1

Answer:

I WILL HELP YOU BRO

Step-by-step explanation:

(205)= (200+5)

= 40000+2000+25

= 42025

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Answer 2

$(205) ^{2} = (200 + 5) ^{2}$

$= (200) ^{2} + 2 \times 200 \times 5 + {(5)}^{2}$

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

$= 40000 + 2000 + 25$

$= 42025$

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