Question

using the suitable identify,fins the value of (405 )2​

Answer 1

• Answer

→ (400 + 5)²

→ (400)² + (5)² + 2 × 400 × 5

→ 160000 + 25 + 4000

→ 164025

Answer 2

$\huge\mathfrak\red{\underline\pink{\underline\red{Solution}}}$

→ (405) ²

→ (400+5) ²

: . By using the identity, (a+b) ²

→ 160000+4000+25

→ 164025

$\huge\mathfrak\green{\underline\blue{\underline\plum{@ItzzHeartlessGirl}}}$