Simplify by using suitable identity
113 x 87
MiliDebRay:
(100+13)×(100-17)
using identity (a+b)(a-b)= a^2-b^2
Answers
Answered by
37
113 x 87
= (100 + 13) x (100 - 13)
Using Identity
(a+b) x (a-b) = a^2 - b^2
= (100)^2 - (13)^2
= 10000 - 169
= 9831
= (100 + 13) x (100 - 13)
Using Identity
(a+b) x (a-b) = a^2 - b^2
= (100)^2 - (13)^2
= 10000 - 169
= 9831
yes its correct
Answered by
7
Answer:
(100+13)× (100-13)= 100^2-13^2 10000-69=9931
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