Question

k का मान पता करो, जिसके लिए x = -2 दिघातीय समीकरण kx²+x-6=0 का एक मूल है
a) -1
b) -2
c) 3
d) 2​

Answer 1

Answer:

f (×) = kx^2 +x-6 =0

f (-2) = k×-2+(-2)-6 =0

= -2k -2 -6 =0

= -2k -8=0

= -2k = 8

k= 8/-2

k= -4 is your answer.

Step-by-step explanation:

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