evaluate each of the following using suitable identities. (98) cube
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Answered by
2
98,s cube
(90+8) whole cube
now u can solve it
(90+8) whole cube
now u can solve it
Vilas220:
wrong given
Answered by
11
Hey there!
(98)3 = (100 2)3
Put a = 100, b = 2
= (a b)3 = a3 3a2b + 3ab2 +b3
= (100)3 - 3(100)2 2 +3(100) ( 2)2 (2)3
= 1000000 - 30000 * 2 +300 *4 8
= 1000000 60000 +1200 8
= 729000
=941192
Hope it help
(98)3 = (100 2)3
Put a = 100, b = 2
= (a b)3 = a3 3a2b + 3ab2 +b3
= (100)3 - 3(100)2 2 +3(100) ( 2)2 (2)3
= 1000000 - 30000 * 2 +300 *4 8
= 1000000 60000 +1200 8
= 729000
=941192
Hope it help
pls mark as brainliest
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