Question

07.
102 x 105 uses identity
1. (100+a)(100-b) 2.(100-a)(100+b)
(100+b) 4.(100+a)(100-b)
3.(100+a)​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

102×105

(100+2)×(100+5)

(100+a)(100+b)

100²+100(a+b)+ab

10000+100(2+5)+(2)(5)

10000+100(7)+10

10000+700+10

10710

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I hope you understand

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keep smiling always