Question

"evaluate using identities
(105) ²"

Answer 1

Answer:

(105)

2

=(100+5)

2

[(a+b)

2

=a

2

+b

2

−2ab]

=(100)

2

+(5)

2

+2(5)(100)

=10000+25+1000

=11025.

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Answer 2

Answer:

"11025

Step-by-step explanation:

(105)²

= (100 + 5)²

= (100)² + (5)² + 2 × 100 × 5

= 10000 + 25 + 1000

= 11025

[using (a + b) ² = a² + b² + 2ab"