question17 and 18 plz
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18)answer
b^2-4ac
= (-3/√2)-4.√2.1/√2
=9/2-4
1/2>0
so,its real and unequal
============================
b^2-4ac
= (-3/√2)-4.√2.1/√2
=9/2-4
1/2>0
so,its real and unequal
============================
Attachments:
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