Question

If (y-1) is the factor of the polynomial y3-2y2+my+4 then find the value of m

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Answer 1

Answer:

factor = (y-1)

y = 1

let f(x) = y³-2y²+my+4

putting y=1 in in f(x) R=0 , by factor Theorem

=> f(1) = 1³-2×1¹+m×1+4

=> 0 = 1-2+m+4

=> 0= 3+m

=> -3 = m

value of m = -3

Answer 2

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