AP Practice
Algebra
Level
4
In the above expression a, b, c, d are integers and they are in AP.
a ≠ b ≠ c ≠ d.
Find {c + d- (a x b)}
Please post some good solutions as well
The answer is 3.
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1 solution
according to me the easiest way is to do it by assuming the values of a,b,c,d....
which satisfy
d= a^2 +b^2+c^2
so the values in A.P
will be a= -1 , b= 0 ,c= 1 ,d= 2 so this will give us (1+2-( -1 X 0 )) which is 3 so
Ans = 3