Question

if 2 is a root of equation kx² -x-2=0. find the value of k​

Answer 1

Question :-

if 2 is a root of equation kx² -x-2=0. find the value of k

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Solution :-

since x=2 is a root of the equality

therefore ,

• K(2)²-2-2=0
• =>4k-2-2=0
• =>4k-4=0
• =>k=1

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$\boxed{ \bf \: answer = > k = 1}$

Answer 2

refer the attachment

hope it helps you