Question

Using the identity and find the value of (105)²​

Answer 1

Answer:

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Answer 2

(105)² = (100 + 5 )²

by formula

(a+ b)² = a² + b² + 2ab

(100)² + (5) ² + 2×100 × 5

10000 + 25 + 1000

= 11025

hope this will help uhh.....