1.

माना f : R `to` R और g : R `to` R दो फलन ऐसे हैं कि (fog) (x) = `sinx^(2)` और (gof) (x) = `sin^(2)x` , तब f (x) और g (x) ज्ञात कीजिए ।

Answer» यहाँ
`(fog)(x) = sinx^(2) and (gof)(x) = sin^(2) x `
`rArr f [ g (x) ] = sin(x^(2)) and g [ f (x) ] = (sin x)^(2)`
`rArr f (x) = sin x and g (x) = x^(2)` .


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