c) There are Tou students in Ă ostel. rood promore students join the – InterviewSolution

1.	c) There are Tou students in Ă ostel. rood promore students join the group?d) Factorise the expression and divide 12xy(4Each question carry 4 marks eacha)Factorize at -b4
Answer» a^4 - b^4=(a^2 - b^2)(a^2 + b^2)=(a-b)(a+b)(a^2 + b^2)

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