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CBSE Class 9 Answered

EVALUATE UING IDENTITIES
left parenthesis 99 right parenthesis cubed
Asked by sujatashetty2000 | 16 Jul, 2014, 06:59: AM
answered-by-expert Expert Answer

open parentheses 99 close parentheses cubed equals open parentheses 100 minus 1 close parentheses cubed left parenthesis a minus b right parenthesis cubed equals a cubed minus 3 a squared b plus 3 a b squared minus b cubed open parentheses 100 minus 1 close parentheses cubed equals open parentheses 100 close parentheses cubed minus 3 open parentheses 100 close parentheses squared 1 plus 3 open parentheses 100 close parentheses 1 minus 1 equals 1000000 minus 30000 plus 300 minus 1 equals 970299

Answered by Dharma Teja | 16 Jul, 2014, 08:31: AM

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