Question

class 9 maths answer it plz as soon as possible y r u all not answering plz fasttttt​

Answer 1

Answer:

ans will be b....ok..my dear...✌️

Step-by-step explanation:

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Answer 2

Answer:

b

Step-by-step explanation:

2x²+ kx

we know

x-1=0

x=1

now

2(1)²+ k(1)=0

2+k=0

k=-2