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CBSE Class 10 Answered

<div>What is the answer of this formula</div> <div>( a+b )^3</div>
Asked by gayatrivardani2002 | 05 Jun, 2016, 03:36: PM
Expert Answer
C o n s i d e r space t h e space e x p r e s s i o n comma
open parentheses a plus b close parentheses cubed equals open parentheses a plus b close parentheses open parentheses a plus b close parentheses open parentheses a plus b close parentheses
space space space space space space space space space space space space equals open parentheses a plus b close parentheses squared open parentheses a plus b close parentheses
space space space space space space space space space space space space equals open parentheses a squared plus 2 a b plus b squared close parentheses open parentheses a plus b close parentheses
space space space space space space space space space space space space equals a cubed plus a squared b plus 2 a squared b plus 2 a b squared plus a b squared plus b cubed
space space space space space space space space space space space space equals a cubed plus 3 a squared b plus 3 a b squared plus b cubed
space space space space space space space space space space space space equals a cubed plus 3 a b open parentheses a plus b close parentheses plus b cubed
Answered by Vimala | 06 Jun, 2016, 09:55: AM
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