Question

If-1 is a zero of x²+ax-3, then find a

Answer 1

Answer:

x²+ax-3=0

(-1)²+a(-1)-3=0

1-a-3=0

-a-2=0

-a=2

a=-2

Answer 2

Hølá, úr answèr îs hérē

Solution:-x=-1 (given in the form of root)

→now, x²+ax-3=0

=>(-1)²+a(-1)-3=0

=>1-a-3=0

=>-2-a=0

=>a=-2 ✓✓✓

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