Question

if X + 1 is a factor of 2 x cube + a X square + 1 then find the value of a​

Answer 1

Step-by-step explanation:

Given- x+1 is a factor of the given polynomial

Therefore x = -1......... ( taking RHS to LHS)

To find - a

Solution - 2x^3+a^2+1

Therefore, 2(-1)^3 + a(-1) + 1......... ( Given)

= -2-a+1=0

a= -1

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