Question

evaaluate using identities 103×104​

Answer 1

Answer:

using identity (x+a) (x+b)=x²+(a+b)x+ab

Step-by-step explanation:

(100+3) (100+4)

=(100)²+(3+4)100+3×4

=10000+(7)100+12

=10000+700+12

=10700+12

=10712

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Answer 2

Answer:

103×104. {This can be written as}

(100+3)(100+4). {Upon multiplying we get}

100×100+100×4+3×100+3×4

10000+400+300+12

10712.