Solution-Find all the roots and hence write down all the

Find all the roots and hence write down all the factors

Reference no: EM131027660

1. The equation X^5 - 2X^4 - X^3 + 6X - 4 = 0 has a repeated root at X=1 and a root at X-2. By a process of division and solving a quadratic equation, find all the roots and hence write down all the factors of X^5 - 2X^4 - X^3 + 6X - 4

2. Given that cosX= (e^jx + e^-jx)/2

sinX= (e^jx - e^-jx)/2j

using only this information, prove that 2cos5xsin2x = sin7x-sin3x

Reference no: EM131027660

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Find all the roots and hence write down all the factors : The equation X^5 - 2X^4 - X^3 + 6X - 4 = 0 has a repeated root at X=1 and a root at X-2. By a process of division and solving a quadratic equation, find all the roots and hence write down all the factors of X^5 - 2X^4 - X^3 + 6X - 4

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Find all the roots and hence write down all the factors

Reference no: EM131027660

Reference no: EM131027660

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