Question

Evaluate the following by using identity-1
$(10.2) {}^{2}$

Answer 1

✌️HEY MATE! ✌️

◀️HERE'S YOUR ANSWER!▶️

(10.2)²

= (10 + 0.2)²

THEN, BY IDENTITY 1, THAT IS ,

(a+b)² = a² + b² + 2ab

so,

(10 + 0.2)²

= (10)² + (0.2)² + 2 (10) (0.2)

= 100 + 0.04 + 4

= 104.04 .....ANSWER!✔️✔️✔️

➡️➡️HOPE YOU UNDERSTOOD!⬅️⬅️