Question

Evaluate 59x61 using identity (a-b) (a+b) = a²-b²
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Answer 1

Step-by-step explanation:

I hope it helps you,,,,,,,,,

Answer 2

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Q. Eᴠᴀʟᴜᴀᴛᴇ 59 × 61 , ᴜsɪɴɢ ɪᴅᴇɴᴛɪᴛʏ

( ᴀ+ʙ ) ( ᴀ-ʙ ) = ᴀ² - ʙ²

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Eᴠᴀʟᴜᴀᴛɪɴɢ :-

$= 59 \times 61 \\ = (60 - 1)(60 + 1) \\ = {6</strong><strong>0</strong><strong>}^{2} - {1}^{2} \\ = 3</strong><strong>6</strong><strong>0</strong><strong>0</strong><strong> - 1 \\ = 3</strong><strong>5</strong><strong>9</strong><strong>9</strong><strong>$

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