Question

using identity evaluate 105*103

Answer 1

(x+a)(x+b) square by

(100+5)(100+3) now applying identity
100×100+100(3+5)+3×5=
10000+800+15=
10815

Answer 2

Answer:

Step-by-step explanation:

105*103

(100+5)(100+3)

100^2+(3+5)100+3*5

10000+800+15

= 10815

I hope you understood

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