Math, asked by charu69, 1 year ago

find all the zeroes of x3+11x2+23x-35 of two of zeroes are 1and-5

Answers

Answered by ishanpandey007
64
See the picture and plz comment if there is any problem.
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Answered by wifilethbridge
11

1,-5,-7

Step-by-step explanation:

Dividend : x^3+11x^2+23x-35

We are given that two of zeroes are 1and-5

So. x=1, x= -5

x-1=0 , x+5-0

So, divisor = (x-1)(x+5)

Divisor = x^2+5x+x^2-5

Dividend = (Divisor \times Quotient)+remainder

x^3+11x^2+23x-35 = ((x^2+5x+x^2-5) \times x)+(7x^2+28x-35)

x^3+11x^2+23x-35 = ((x^2+5x+x^2-5) \times x+7)+0

Quotient = x+7

So, For another zero = x+7=0

x = -7

Hence the third zero is -7

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Division

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