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in Algebraic Expressions by (32.3k points)
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Use an expansion formula to find the values of : 

i. (997)2 

ii. (102)2 

iii. (97)2

iv. (1005)2

1 Answer

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Best answer

i. (997)2 = (1000 – 3)2

Here, a = 1000 and b = 3

ii. (102)2 = (100 + 2)2

Here, a = 100 and b = 2

iii. (97)2 = (100 – 3)2 

Here, a = 100 and b = 3

iv. (1005)2 = (1000 + 5)

Here, a = 1000 and b = 5 (1000 + 5)2

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