Evaluate
( 75 )² - ( 65 )² using identity-lll.
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Answered by
14
Here is your answer..
Identity lll = ( a + b) ( a - b) = a² - b²
( 75 ) ² - ( 65 ) ² = ( 75 + 65 ) (75 - 65 )
= 140 × 10 = 1400
Hope it helped ☺☺☺☺
Identity lll = ( a + b) ( a - b) = a² - b²
( 75 ) ² - ( 65 ) ² = ( 75 + 65 ) (75 - 65 )
= 140 × 10 = 1400
Hope it helped ☺☺☺☺
Answered by
3
Answer:
1400
Step-by-step explanation:
formulae - (a+b)(a-b) =a^2-b^2
(75)^2-(65)^2=(75+65)(75-65)
=140*10=1400
HOPE IT HELPS YOU
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