Question

use suitable identity to
evaluate : 103​

Answer 1

$\green{\bold{\underline{ ☆ UPSC-ASPIRANT ☆} }}$

$\red{\bold{\underline{\underline{QUESTION:-}}}}$

use suitable identity to

evaluate : 103

$\huge\bigstar\huge\tt\underline\red{ᴀɴsᴡᴇʀ }\bigstar$

------>>>>Here is your answer<<<<--------

$➪103 = {(100 + 3)}^{2}$

$➪ {(100 + 3)}^{2} = {(100)}^{2} + {(3)}^{2} + 2(100)(3)$

$➪10000 + 9 + 600 = 10609$

HOPE IT HELPS YOU..

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Thankyou:)

Answer 2

$\color{red} \huge{\underline{\underline{\mathfrak{Answer}}} }$

$103 \: = \: (100 + 3)^{2}$

★ Using Identity :-

$(a + b)^{2} = \: {a}^{2} + {b}^{2} \: + 2ab$

$(100 + 3)^{2} = ({100})^{2} \: + ({3})^{2} \: - 2 \times 100 \times 3$

$10000 \: + \: 9 + \: 600 \:$

$= > \: 10609$