13. If(x+a) is a factor of (z? + 2ax + 5x + 10), find the value of a. – InterviewSolution

1.	13. If(x+a) is a factor of (z? + 2ax + 5x + 10), find the value of a. IceSE 201123..-1and b =2
Answer» Let f(x) = 2x^2 + 2ax + 5x + 10If (x+a) is a factor then by the factor theorem f(-a)=0f(-a) = 2a^2 - 2a^2 - 5a +10 = 0-5a + 10 = 0a = 2

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