p and q are the zeroes of the polynomial 2x^2+5x-1, find the value of p+q+pq
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p and q are zeroes of the polynomial .
The value of
So,
a = 2, b = 5 and x = (-1)
We know that
and
Now,
sum of zeroes,
and
product of zeroes,
so,
Hence,
The value of p+q+pq = -3
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