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CBSE Class 9 Answered

Factorised :  3y^4-243
Asked by Parul | 14 Sep, 2015, 06:42: PM
answered-by-expert Expert Answer

Hi

begin mathsize 14px style 3 y to the power of 4 minus 243 equals 3 left parenthesis y to the power of 4 minus 81 right parenthesis equals 3 left square bracket left parenthesis y squared right parenthesis squared minus 9 squared right square bracket equals 3 left square bracket left parenthesis y squared minus 9 right parenthesis left parenthesis y squared plus 9 right parenthesis right square bracket equals 3 left parenthesis y minus 3 right parenthesis left parenthesis y plus 3 right parenthesis left parenthesis y squared plus 9 right parenthesis end style

Answered by | 14 Sep, 2015, 06:47: PM

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