Compute the expression (299)2 using algebraic identities.
Answer & explanation
Correct answer: option 4
(a - b)2 = a2 + b2 - 2ab
(299)2 = (300 - 1)2
= 3002 + 1 -2 × 300 × 1
= 90000 + 1 - 600
= 89401
Compute the expression (299)2 using algebraic identities.
Correct answer: option 4
(a - b)2 = a2 + b2 - 2ab
(299)2 = (300 - 1)2
= 3002 + 1 -2 × 300 × 1
= 90000 + 1 - 600
= 89401