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07-26-2007

(7*7)-(2*2)=49-4 =square root of 45so, I think the answer is 'd'Because square root of 45=square root of 9*square root of 5 =3square root of 5

07-26-2007	#10
Aparna P Guest Posts: n/a	(77)-(22)=49-4 =square root of 45so, I think the answer is 'd'Because square root of 45=square root of 9*square root of 5 =3square root of 5