101×99 without actually multiple
Answers
Answered by
10
ʜᴇʏᴀ!!
ʜᴇʀᴇ's ʏᴏᴜʀ ᴀɴsᴡᴇʀ
______________________
101 × 99
= ( 100 + 1 ) ( 100 - 1 )
= ( 100 )^2 - ( 1 )^2 [ ★ ᴀ^2 - ʙ^2 = ( ᴀ + ʙ ) ( ᴀ - ʙ ) ]
= 10000 - 1
= 9999
______________________
ʜᴏᴘᴇ ɪᴛ ʜᴇʟᴘs ʏᴏᴜ ᴅᴇᴀʀ! :)
★ ᴅᴇᴠɪʟ ᴋɪɴɢ
ʜᴇʀᴇ's ʏᴏᴜʀ ᴀɴsᴡᴇʀ
______________________
101 × 99
= ( 100 + 1 ) ( 100 - 1 )
= ( 100 )^2 - ( 1 )^2 [ ★ ᴀ^2 - ʙ^2 = ( ᴀ + ʙ ) ( ᴀ - ʙ ) ]
= 10000 - 1
= 9999
______________________
ʜᴏᴘᴇ ɪᴛ ʜᴇʟᴘs ʏᴏᴜ ᴅᴇᴀʀ! :)
★ ᴅᴇᴠɪʟ ᴋɪɴɢ
Answered by
8
Hey mate here is ur query...
""""""""""""""""
101*99
=(100+1)*(100-1)
= (a+b)(a-b)=a²-b²
where a=100,b=1
=100²-1²
=10000-1
=9999
"""""""""""""""""""""""
Hope this will help you.
""""""""""""""""
101*99
=(100+1)*(100-1)
= (a+b)(a-b)=a²-b²
where a=100,b=1
=100²-1²
=10000-1
=9999
"""""""""""""""""""""""
Hope this will help you.
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