1.

Read the following statements carefully and choose the correct answer. (i) The difference of the expressions \[3ab-2{{a}^{2}}-2{{b}^{2}}\] and \[5{{a}^{2}}-7ab+5{{b}^{2}}\] will be \[10ab-7{{a}^{2}}-7{{b}^{2}}\]  which is a trinomial. (ii) The sum of \[{{x}^{2}}+xy+{{y}^{2}}\] and \[2{{x}^{2}}+3xy\] gives an algebraic expression \[3{{x}^{2}}+4xy+{{y}^{2}}\].

A.  (i) is true but (ii) is false.        
B.  (ii) is true but (i) is false.       
C.  Both (i) and (ii) are true.
D.  Neither (i) nor (ii) is true.
Answer» D.  Neither (i) nor (ii) is true.


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