Grade 8Algebra
Using identities, evaluate. 998² Please answer fast it is my holiday homework
Using identities, evaluate.
998²
Please answer fast it is my holiday homework
1 Answer
Ayush 8A 7239
Approved Tutor Answer4 Years ago9982 = (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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