Question

using identities evaluate =105^(2)​

Answer 1

Answer:

$({105})^{2} \\ ( {100 + 5})^{2} \\ ({100})^{2} +( {5})^{2} + 2(100)(5) \\ 10000 + 25 + 1000 \\ 11025$

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

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Answer 2

Answer:

$(105) { }^{2}$

Step-by-step explanation:

(105)^2

(100+5)^2

()^2+(5)^2+2()(5)

1000+25+1000

11025

Using Identify (a+b)^2= a^2+b^2+2ab