1.

If a and b are zeroes of polynomial x^2 + 7x + 7 , find the value of a^-1 + b^-1 -2ab.

Answer»

Hey

Here is your ANSWER,

SUM of the ZEROES = a+b
-b/a = -7
Product of the zeroes = an
c/a = 7

=a^-1 + b^-1 -2ab
=1/a+b -2an
=1/-7 + 2x7
=1/-7 + 14
=-1/7+14
=-1+98/7
=97/7

Hope it HELPS you!


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