if 3 is a zero of x^3-2x^2+kx -5 find value of k
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payalyadav2003:
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HELLO DEAR!!!
Here's your answer...
Let,
f(x)=x³-2x²+kx-5
If 3 is the zero of the polynomial,then
0=(3)³-2(3)²+k(3)-5
0=27-2(9)+3k-5
0=27-18+3k-5
0=4+3k
-4=3k
-4/3 = k
The value of k is -4/3
___________________________________________________________
HOPE THIS HELPS YOU.....
Here's your answer...
Let,
f(x)=x³-2x²+kx-5
If 3 is the zero of the polynomial,then
0=(3)³-2(3)²+k(3)-5
0=27-2(9)+3k-5
0=27-18+3k-5
0=4+3k
-4=3k
-4/3 = k
The value of k is -4/3
___________________________________________________________
HOPE THIS HELPS YOU.....
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