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Get access to the detailed solutions to the previous years questions asked in IIM IPMAT exam
(81)x + (81)f(x) = 3
ax > 0 for any value of x
So (81)f(x) can take value (0, 3) based on which x will adjust itself to satisfy above relation & it can’t be equal to 3 as (81)f(x)< 3
0 < (81)f(x) < 3
3−∞ < 34f(x) < 31
− ∞ < 4f(x) < 1
− ∞ < f(x) < 1/4
f(x) ∈ (− ∞, 0.25)