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MATHS QUESTION

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4)given f(x) =(x-3)(2x^2+4x-5)-2(x-1) find the coefficient of x^2 and the coefficient of x 5) subtract x^5-x^4-3x^2+7x+1 from the product of x^2+1 and x-x^2+7x^5-2x^3+3x^4+6 the result is another polyminal find its constant term and the coefficient of x^4 6) factorize 3x^2+13x+12 using upper ans to express... 顯示更多 4)given f(x) =(x-3)(2x^2+4x-5)-2(x-1) find the coefficient of x^2 and the coefficient of x 5) subtract x^5-x^4-3x^2+7x+1 from the product of x^2+1 and x-x^2+7x^5-2x^3+3x^4+6 the result is another polyminal find its constant term and the coefficient of x^4 6) factorize 3x^2+13x+12 using upper ans to express 31312 as a producy of prime factor

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4)given f(x) =(x-3)(2x^2+4x-5)-2(x-1) find the coefficient of x^2 and the coefficient of x f(x) =(x-3)(2x^2+4x-5)-2(x-1) =2x^3+4x^2-5x-6x^2-12x+15-2x+2 =2x^3-2x^2-19x+17 the coefficient of x^2 is -2 and the coefficient of x is -19 5) subtract x^5-x^4-3x^2+7x+1 from the product of x^2+1 and x-x^2+7x^5-2x^3+3x^4+6 the result is another polyminal find its constant term and the coefficient of x^4 (x^2+1 )(x-x^2+7x^5-2x^3+3x^4+6)-( x^5-x^4-3x^2+7x+1) constnt term =6-1 =5 coefficient of x^4 =(-1)+3-(-1) =3 6) factorize 3x^2+13x+12 using upper ans to express 31312 as a producy of prime factor 3x^2+13x+12 =(x+3)(3x+4) sub x=100 31312 =(103)(304) =2^4*19*103

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