Question

please give me the solution of this question​

Answer 1

Answer:6600

Step-by-step explanation:

(83)^2-(17)^2

[a^2-b^2=(a+b)(a-b)]

(83)^2-(17)^2=(83+17)(83-17)

(83)^2-(17)^2=100× 66

(83)^2-(17)^2 =6600

Answer 2

(83+17) (83-17)=100*66=6600