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CBSE Class 9 Answered

128x3y3-250z3

Asked by deepa1973 | 17 May, 2014, 04:24: PM
answered-by-expert Expert Answer
Please check the question:
We have provided the solution of factorization of 128 x cubed y cubed minus 256 z cubed :
128 x cubed y cubed minus 256 z cubed equals 128 open parentheses x cubed y cubed minus 2 z cubed close parentheses W e space k n o w space t h a t space a cubed minus b cubed equals open parentheses a minus b close parentheses open parentheses a squared plus a b plus b squared close parentheses T h u s comma space 128 open parentheses x cubed y cubed minus 2 z cubed close parentheses equals 128 open parentheses x y minus z 3 root of 2 close parentheses open parentheses x squared y squared plus x y z 3 root of 2 plus z squared open parentheses 2 close parentheses to the power of 2 over 3 end exponent close parentheses
Answered by Vimala Ramamurthy | 21 May, 2014, 09:01: AM
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