What is the value of (a + b)^2 ?
(1) a = 15/b
(2) (a – b)^2 = 4
qa is c..i chose b
(1) a = 15/b
(2) (a – b)^2 = 4
qa is c..i chose b
Appetite for 700 and I scraped my plate!
OA is C
St 1: if we out the value of a in the Q stem ,we cant solve it as we don have the value for b.
ST 2: It can be simplified as a^2 + b^2 + 2ab=4 where as the Q stem is (a + b)^2=a^2 + b^2 + 2ab
so puttin the St 2 value in Q stem,we get
4+2ab+2ab
4+4ab
then putting the value of a from St 1
4 + 4(15/b)b=64.
Hope this helps.
Paresa
