Question

Q11. Find the product using suitable identity: (a) 18 x 22​

Answer 1

Answer:

associative

18×(20+2)=

360 +36=

396 .

is the answer

Answer 2

Answer:

(20-2)(20+2)

(20) ^{2} - (2) ^{2}(20)

2

−(2)

2

400-4

396