Math, asked by Cececdtcydcufdvrv, 1 year ago

hello friends i request u to plz sove my questions plz its urgent and class 9 question polynomials

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Answered by sayemansari5p8t9ol

question number first answer is x^2+x+1

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Cececdtcydcufdvrv: plz

sayemansari5p8t9ol: x+2y=1 to x=1-2y or xy = 5 to x=5/y. in dono equation se. 1-2y =5/y esko solve karenge to 2y^2-y +5 =0 ye equation ayega es equation ko (-b+ -√b^2 -4ac)/2a ke formule se y ke value nekal lena kesi equation me y ke value put kar dena

sayemansari5p8t9ol: one second ruk ja ayse nahe hoga

sayemansari5p8t9ol: bata raha hun

sayemansari5p8t9ol: ( a^3-b^3)=(a-b)(a^2+ab+b^2) yeh formula use hoga

sayemansari5p8t9ol: x^3-8y^3=x^3-(2y)^3.

sayemansari5p8t9ol: =(x-2)(x^2+x.2y+4y^2).

sayemansari5p8t9ol: x^3-(2y)^3 = (x-2y)(x^2+x.2y+y^2). (x-2y)=1 or. xy =5 de rakha hai ese put kar denge

sayemansari5p8t9ol: hua

sayemansari5p8t9ol: 1(x^2+2 multiply 5 +4y^2) ayega. answer is (x^2+10+4y^2)

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