1.

Without solving, find the nature of the roots of the following equations: (i) 3x^(2)-7x+5=0. (ii) 4x^(2)+4x+1=0. (iii) 3x^(2)+7x+2=0. (iv) x^(2)+px-q^(2)=0.

Answer»


Answer :(i) IMAGINARY
(ii) Real and equal
(iii) Real and UNEQUAL and rational.
(IV) Real and unequal if `pne0,QNE0`; Real and equal if p=q=0.


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