Question

3. Obtain all other zeroes of 3x4 + 6x3 - 2x2 - 10x-5, if two of its zeroes are
5
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Answer 1

Step-by-step explanation:

Two zeroes are 35 and −35

So we can write it as, x = 35 and x = −35

we get x−35=0 and x+35=0

Multiply both the factors we get,

x2−35=0

Multiply by 3 we get

3x2−5=0 is the factor of 3x4+6x3−2x2−10x−5

Now divide, 3x4+6x3−2x2−10x−5 by 3x2−5=0 we get,

Quotient is x2+2x+1=0

Compare the equation with quadratic formula,

x2−(Sum  of  

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