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Expansion of (x+a)(x+b)

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Question

Evaluate using the identities 105×106 by distributive property

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Solution

Dear student,.
105 × 106
= (100+5) (100+6)
= 100(100)+100(6 + 5)+ 5(6)
= 10000+600 + 500+30
= 10000+1100+30
= 11130
[Identity used: x^2+x(a+b)+ab].
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