Question

if 2 is a root of equation X square + bx + 12 equal to zero find the value of B

Answer 1

Hey!!!

Good Morning

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we have

=> x² + bx + 12 = 0

Here 2 is to root

=> (2)² + 2x + 12 = 0

=> 2x = - 16

=> x = - 8 <<<<<<<<< Answer

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Hope this helps ✌️

Happy Ganesh Chaturthi

Answer 2

Hey dear friend

Given-:
2 is a root of eq.[ X²+bX+12]=0

To Find-:
Value of B=?

Solution-:

=>As 2 is root of equation.
=>So, Substituting X=2 in equation
=>We get,

=>2²+2b+12=0
=>4+2b+12=0
=>16+2b=0
=>2b= -16
=>b= -8

So, the value of 'b'= -8.

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