Find the zeros of the quadratic polynomial t2 15

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Find the zeroes of quadratic polynomial h(t)=t2-15

Answered by admin @




 
t2 - 15 = (t + √15)( t - √15)

therefore      t+ √15 = 0

i.e.     t =    - √15

similarly        t - √15 = 0

and    t =   √15

so the zeros are        √15   and    - √15


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