Question

( (11. Evaluate: (i) 88 x 92​

Answer 1

Answer:

8096

Step-by-step explanation:

Qᴜsᴛɪᴏɴ :-

Eᴠᴀʟᴜᴀᴛᴇ 88 × 92

Sᴏʟᴜᴛɪᴏɴ :-

• Wᴇ ᴄᴀɴ ᴀʟsᴏ ᴡʀɪᴛᴇ ɪᴛ ᴀs :-

• (90 - 2) (90 + 2)

• Hᴇʀᴇ , ʙʏ ɪᴅᴇɴᴛɪᴛʏ 3

• (ᴀ - ʙ ) ( ᴀ + B) = A² - ʙ²

• 90² - 2²

• 8100 - 4

• 8096

Sᴏ , 8096 ɪs ᴛʜᴇ ᴀɴsᴡᴇʀ ᴏғ ʏᴏᴜʀ ǫᴜᴇs....