Question

Q2. Simplify the following using the formula: (a – b) (a + b) =
a
2 – b
2
:
(i) (82)2 – (18)2
(ii) (467)2 – (33)2
(iII) 197 × 203
(iV) 9.8 × 10.2

Answer 1

Answer:

(iii) 198×203 is your answer pls mark me

Answer 2

Answer:

i ___(82+18) (82 -18) by usung (a)2-(b)2 formula