find all zeroes of polynomial f(x)2x4-3x3-9x2+15x-5, if two of its zeroes are √5and -√5 .
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Answer:x=√5
x=√-5
(x-√5)(x+√5)=0
x2-5=0
X2-5÷2x4-3x3-9x2+15x-5
At last a quadratic equation is formed 2x2-3x+1 then.. simply split it's middle term by-2and-1factor..
Step-by-step explanation:
Other two factors are 1and1/2
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