evaluate using suitable identities (1) (82)² - (18)²
Answers
Answered by
73
(82)^2-(18)^2
=(82-18)(82+18). {using identity 3}
=64*100
=6400
=(82-18)(82+18). {using identity 3}
=64*100
=6400
Answered by
43
Answer:
Step-by-step explanation:
(82^2 )(18^2)
(82-18)(82+18)
64×100
6400
Similar questions