Question

gof तथा fog ज्ञात कीजिए, यदि

(i) f(x) = | x | तथा g(x) =| 5x – 2|

(ii) f(x) = g x3 तथा g(x) = x1/3

Answer 1

fog(x) = f[g(x)] = f(x)1/3 = 8.(x1/3)3 = 8x