By using identities find the product of 103*107
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(100 +3)(100+7)
100^2 + 10 ×100 + 21
= 10000 + 1000 +21
= 11021
100^2 + 10 ×100 + 21
= 10000 + 1000 +21
= 11021
Answered by
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(100 + 3 ) ( 100 + 7 )
(x + a ) ( x + b ) = x ^ 2 + (a + b ) x + a b
= 100 ^ 2 + (3 + 7 ) 100 + 3 * 7
= 10000 + 1000 + 21
= 11021 is the final answer .
Hope this helps you.☺☺☺
(x + a ) ( x + b ) = x ^ 2 + (a + b ) x + a b
= 100 ^ 2 + (3 + 7 ) 100 + 3 * 7
= 10000 + 1000 + 21
= 11021 is the final answer .
Hope this helps you.☺☺☺
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