1.

If x minus under root 2 is a zero of x square + root2x + k then find the value of k

Answer»

ANSWER:

k=-4

Step-by-step EXPLANATION:

F(X)=x2+√2x+k

x-√2=0

x=√2

f(√2)=(√2)^2+√2(√2)+k

f(√2)=0

√2^2+√2(√2)+k=0

2+2+k=0

k=-4



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