the minimum assigned value of x for which the expression X^8/512 will be an integer?
a).-2, b).-3, c).+-3, d). +-4.
the minimum assigned value of x for which the expression X^8/512 will be an integer?
a).-2, b).-3, c).+-3, d). +-4.
i think it is a) -2
sorry it is d) + - 4
bcoz (x^8)/512 = (x^8)/(2^9)
so if we use here x=3 or -3 then it leads to fraction wich is not integer..we can use only multiple of 2.....
if we use -2 then also it leads to fraction.....so we are left with + -4 wich does not lead to fraction
CAclubindia
