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ICSE Class 8 Answered

(3ab^3c) * (-2a^3b^2-3a^3c^2-4b^3c^2)

Asked by Cl_narayan | 15 Jun, 2019, 05:09: PM
Expert Answer
begin mathsize 16px style left parenthesis 3 ab cubed straight c right parenthesis space cross times space left parenthesis negative 2 straight a cubed straight b squared minus 3 straight a cubed straight c squared minus 4 straight b cubed straight c squared right parenthesis
equals space left parenthesis 3 ab cubed straight c right parenthesis left parenthesis negative 2 straight a cubed straight b squared right parenthesis space minus space left parenthesis 3 ab cubed straight c right parenthesis left parenthesis 3 straight a cubed straight c squared right parenthesis space minus space left parenthesis 3 ab cubed straight c right parenthesis left parenthesis 4 straight b cubed straight c squared right parenthesis space space space
equals negative 6 straight a cubed straight b to the power of 5 straight c space minus space 9 straight a to the power of 4 straight b cubed straight c cubed space minus space 12 ab to the power of 6 straight c cubed space space space space space space space space space space space.... space space since space straight x to the power of straight m cross times straight x to the power of straight n space equals space straight x to the power of straight m plus straight n end exponent
end style
Answered by Yasmeen Khan | 17 Jun, 2019, 11:43: AM

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