Question

Evaluate the following products by using identity 103×107​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

103 = 100+3 ; 107 = 100 +7

.'. (100+3) (100+7)

now with property: (x+a) (x+b) = x^2 +(a+b)x + (ab)

.'. x= 100 ; a=3 ; b=7

now evaluate:

100^2 + ( 3+7) 100 + (3) (7) ;

10000+1000+21 ;

11021 is your answer