Using identities, evaluate. 998² Please answer fast it is my holiday homework
ABHISEHK KUMAR 10 a , 2 Years ago
Grade 8
Algebra> Using identities, evaluate. 998² Please a...
1 Answers
Ayush 8A 7239
Last Activity: 2 Years ago
9982 = (1000-2)2
using (a-b) 2 = a2 + b2 – 2ab
(1000-2)2 = 1000000 + 4 – 2 × 1000 × 2
= 1000000 + 4 – 4000
= 996004
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