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Factor Theorem

If 2 x+5 is a...

Question

If (2x+5) is a factor of 2x^2-5 , find the value of x.

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Solution

if 2x+5 is a factor of 2x^2 -5
2x+5 = 0
x = -5/2

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Q. Question 20
If x + 2a is a factor of

x^{5} - 4 a^{2} x^{3} + 2 x + 2 a + 3

, then find the value of a.

(x + 2 a)

x^{5} - 4 a^{2} x^{3} + 2 x + 2 a + 3,

a

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Q. Find the value of

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2 x - 3

2 x^{4} - x^{3} - 3 x^{2} - 2 x + a

x + 2

(x + 1)^{5} + (2 x + K)^{3}

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^{'} K^{'}

Find the value of 2x+5 if x=2

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